I've been flying for many years — from Poland to Italy, Spain, Greece and even to the other side of the world. I know airport checks like the back of my hand, and I know well how frustrating unpleasant surprises at the security gate can be. Especially when something that seems completely harmless is suddenly confiscated. That's why I've prepared this article — with everyone in mind who wants peace of mind and not to be caught out at the last moment.
It's worth knowing what you can't bring on board, not only because the rules are strict — but also because breaking them can end in the loss of items, a delay, or even an unpleasant conversation with airport staff. Although many things seem obvious (after all, nobody packs an axe in their backpack, right?), there are also items that can surprise even experienced travellers.
Every airline has its own regulations, but it's the security control services that decide what can go on board. The rules are consistent across most EU countries, but it's sometimes worth checking the additional guidelines of a specific carrier — especially if you're flying outside Europe.
If you want to avoid stress at the check, it's best to prepare in advance. Before packing, I always go through the list of prohibited items and regularly update it with new information — the rules change, and new technologies also bring new „traps.”
Flammable and explosive items
This category covers all items that can easily catch fire or explode — regardless of their size. Airlines and security services treat materials of this kind exceptionally seriously, because they pose a direct threat to passengers and crew. Many people unknowingly pack small, seemingly innocent items into their carry-on that fall into this category — such as lighters or aerosols. It's worth remembering that even an everyday object can be deemed dangerous if it contains flammable or pressurised substances. Security control won't make an exception here, even if the product is factory-sealed. Below you'll find a list of things you definitely shouldn't take into the aircraft cabin.
1. Fireworks
Regardless of their size — fireworks are completely banned in both carry-on and checked baggage. They contain chemical mixtures with high ignition potential and are treated as explosive materials. Carrying them is not only illegal but also exceptionally dangerous in the conditions of pressure and low humidity prevailing on a plane. It doesn't matter whether it's a firecracker, a flare or a fountain — every type of firework will be confiscated. In some countries even possessing them can lead to additional checks and questions. It's better to leave them at home or buy them on-site if you're planning a New Year's Eve party abroad.
2. Petrol lighters
Lighters with liquid fuel, such as the popular Zippo, can't be carried in the aircraft cabin or in checked baggage. Their contents are a flammable mixture that can evaporate and create a risk of ignition. Even if the lighter is empty, airport services may deem it dangerous and detain it. Only small gas lighters are allowed (one per person), but only under specific conditions and without a supply of fuel. If a particular lighter matters to you, it's better to send it by courier. It's definitely not worth risking problems during the check.
3. Flammable aerosols (e.g. hairspray above the limit)
Some aerosols contain a propellant gas that is highly flammable. Although small cosmetic packages are usually allowed in carry-on (up to 100 ml), exceeding this limit automatically qualifies them as prohibited. Hairspray, dry shampoo or spray deodorant in a larger package can be confiscated at the check. The risk of leakage and ignition in the aircraft cabin is too high. Remember that the volume refers to the capacity of the package, not its contents — even an almost empty 200 ml spray won't pass. It's worth transferring the contents into smaller containers or packing them in checked baggage, if the airline allows it.
4. Solvents and cleaning agents
Solvents, paint removers and other chemical cleaning agents are completely banned in carry-on baggage. Their composition is often based on flammable liquids that can produce fumes or an explosion in conditions of reduced pressure. Even if the product looks unassuming — e.g. in the form of a brush-cleaning liquid — carrying it is not permitted. Additionally, the intense smell and evaporation can pose a health hazard to other passengers. If you're planning to take cleaning agents with you, choose ecological, alcohol-free versions and pack them in checked baggage — but only after checking the carrier's regulations beforehand. Never try to hide such substances in cosmetic containers — scanners will detect it quickly.
5. Pepper spray
Pepper spray, although legal in some countries and used for self-defence, is completely banned on board a plane. Regardless of volume and form — it can't be carried in the cabin or in checked baggage. It acts as an irritant and can cause a serious health hazard if the substance is accidentally released. Even a closed canister can be treated as a potential attack tool. In many countries an attempt to carry pepper spray risks fines or criminal proceedings. If you want to feel safe while travelling, consider other, legal self-defence measures available on-site.
6. Small gas canisters for camping stoves
Gas canisters, even the smallest ones for camping stoves, are classified as dangerous materials. Carrying them on a plane — regardless of size — is completely banned. Even an empty canister can be detained by security services due to the risk of gas residue and internal pressure. Don't try to carry them in carry-on or checked baggage — they'll be confiscated and you may bear responsibility. If you're planning to cook on-site, it's best to buy a gas canister at your destination. In many countries they're easily available in sports shops or at petrol stations.
7. Smoke bombs
Smoke bombs are often used for photo shoots or outdoor events, but carrying them by plane is absolutely forbidden. They contain chemical components that, under the influence of temperature or impact, can cause ignition or explosion. Even if they aren't activated, they pose a threat to flight safety. On top of that, their appearance can arouse suspicion during the security check. Airport staff won't take the risk — such items are always removed from baggage. If you're planning to use smoke bombs, buy them only at your travel destination.
8. Rust-removers in spray
Rust-removers, such as the popular WD-40, contain flammable components in the form of pressurised gas. Although they're very practical, they can't be carried in the aircraft cabin. Even a small amount sprayed in an enclosed space can cause a strong allergic reaction or pose a fire hazard. Security scanners very easily pick up pressurised containers, even if they're well packed. Additionally, the smell and chemical action of such agents can irritate passengers' airways. If you need such a product — it's better to plan to buy it after arrival.
9. Storm matches
Storm matches are special, waterproof ignition tools that burn even during strong wind or rain. Unfortunately, it's precisely for this reason that they're especially dangerous in air transport. Their chemical composition and intense ignition reaction can pose a threat even without contact with an open flame. They're usually detected during a manual check and immediately removed from baggage. Some airlines allow the carriage of ordinary matches in a limited quantity, but storm matches definitely don't count among them. If you're planning a survival trip — it's better to buy fire-starters after landing.
10. Acetone
Acetone is a strong solvent that is often found in nail-polish removers, cleaning agents or paints. It's a flammable substance and shouldn't be carried on board a plane in any form. Even small amounts in a wash bag can arouse suspicion during the security check. High temperature and changing pressure can cause evaporation and increase the risk of ignition. It's worth carefully checking the composition of cosmetic products — it's better to avoid anything that contains acetone or other flammable substances. Instead of full-size preparations, choose travel versions without alcohol or acetone.
Peli Air 1535 cabin cases
Medicines and chemicals
Category description: This category covers medicines and chemical substances that may be prohibited, deemed dangerous or require special permits in air transport — both in carry-on and checked baggage. Many countries have different rules regarding the carriage of medicines, especially psychotropic, hormonal or alcohol-containing ones. Even seemingly harmless substances, such as disinfectants or iodine, may be restricted due to their chemical properties. Before travelling it's worth checking the rules of the given country and airline to avoid confiscation, fines or problems at the border.
Examples of things it's better not to take or to take with documentation:
- Psychotropic medicines without a doctor's certificate (e.g. benzodiazepines, some sleeping pills)
- Hydrogen peroxide (e.g. at a concentration above 6%)
- Iodine in large quantities (e.g. bottles above 100 ml)
- Ethyl alcohol above 70% (spirit, technical alcohol)
- Ointments containing controlled substances (e.g. steroids, ketoprofen without prescription)
- Home disinfectants above 100 ml (alcohol- or chlorine-based)
- Inhalers containing medicinal substances (e.g. salbutamol) without prescription
- Saline solution in bottles above 100 ml (applies to carry-on baggage)
- Herbal tinctures with alcohol (e.g. propolis tincture, homemade herbal tincture)
- Anabolic medicines (e.g. testosterone, steroids, even in ointment form)
- Mercury thermometers (containing toxic mercury — banned in most countries)
- Eye drops containing controlled substances (e.g. atropine)
- Warming patches with capsaicin (may be treated as irritant chemicals)
- Hydrogen peroxide in large packages (oxidising substances)
- Ampoules with medicines without original packaging and documentation
- Syrups with alcohol (e.g. some cough syrups containing codeine or ethanol)
- Lugol's solution (containing iodine in high concentration — may be treated as a dangerous chemical compound)
- Expired medicines (may be confiscated as dangerous pharmaceutical waste)
- Alcohol-based antibacterial sprays above the 100 ml limit
- Capsules and tablets in large quantities without a description — may arouse the suspicion of border control
Summary: Even if a given medicine seems harmless, carrying it may require medical documentation or be restricted by local rules. It's worth taking medicines only in their original packaging, with labels, and — in the case of strong medicines — with a doctor's certificate translated into English.
Weapons, sharp objects and imitations
Category description: This group of items covers everything that can be deemed potentially dangerous or used as a weapon — regardless of the traveller's intentions. Even a small penknife or a pair of scissors with a sharp tip can be confiscated during the security check. Airlines and airport services treat this category very seriously, because it's about the safety of all passengers on board. Many people unknowingly carry such things in their carry-on, forgetting that even a small tool can be deemed a threat.
This section also includes items that resemble a weapon — so-called replicas or imitations. Whether they're toys, collector's gadgets or self-defence objects — if they look like a weapon, they can cause a lot of problems at check-in.
Examples of things you can't bring into the aircraft cabin:
- Camping knives: Even those with a short blade, with a lock or folding, are banned in carry-on baggage. You can possibly pack them in checked baggage.
- Penknives: The popular Swiss multi-tools are also deemed dangerous. They contain blades, files and openers that can be used as a weapon.
- Tools: Screwdrivers, hammers, pliers — although they're work tools, in the cabin they can be treated as a weapon. It doesn't matter that you have no bad intentions — the mere fact of their presence in carry-on baggage is enough to have them confiscated.
- Sewing needles: Although they're small, the sharp tips can arouse suspicion. Sometimes single pieces are admissible (e.g. for handicrafts), but sets of needles can be detained.
- Gas weapons: Regardless of form and size — gas pistols are completely banned on board a plane, even in checked baggage without the appropriate permits.
- Blank-firing weapons: Even if it doesn't fire projectiles, a blank-firing weapon is treated like a normal weapon. It can't be carried without special permits and only in checked baggage.
- Air guns: Replicas of pellet guns are also on the list of prohibited items — due to their realistic appearance and potential harmfulness.
- Sports weapons: Bows, crossbows and even training arrows — all these elements are banned in the cabin and can be carried only in checked baggage, after prior notification and obtaining consent.
- Scissors with sharp tips: Even if they aren't large, scissors with a sharp, pointed tip can be detained at the check. Only small scissors (e.g. cosmetic) with rounded ends and a blade length of up to 6 cm are allowed.
- Car keys with a blade: Some car keys have a built-in folding blade or metal spike — especially those designed for self-defence. Such items are banned in the aircraft cabin.
- Climbing equipment with sharp ends: Ice axes, hooks, crampons — all this can be deemed a potential weapon.
- Scalpels and surgical blades: Even if someone takes them „for art” or as part of modelling tools — in the cabin they're completely banned.
- Bottle openers with a blade: Some metal openers contain sharp elements and can be detained at the check.
- Knitting wires and needles: Although they're handicraft tools, metal knitting needles can be treated like a weapon — it's worth carrying them in checked baggage.
- Corkscrews with a sharp worm: Classic corkscrews have spikes that can injure — and are banned in the cabin.
- Decorative swords and katanas: Even if they're cosplay elements or props — if they have a hard construction or sharp edges, they're completely banned.
- Metal forks with sharp prongs: Many airlines accept plastic cutlery, but metal ones, especially with sharp tips, can be deemed dangerous.
- Metal nail files: If they're long and sharp — they can be confiscated. Only short, rounded versions are allowed.
- Meat or kebab skewers: Even if they're part of a culinary gift — long, sharp rods can be deemed a weapon.
- Weapon imitations (e.g. toy pistols): If they look realistic, they can be detained or cause an intervention by the services — it's better to leave them at home.
Summary: Even small everyday items can be treated as a threat in the aircraft cabin. It's always worth checking whether an object has sharp ends, resembles a weapon or can be deemed dangerous — and in case of doubt, pack it in checked baggage or leave it at home.
Liquids, gels and aerosols
Category description: The 100 ml rule for liquids in carry-on baggage applies at almost all airports in the world. But what exactly does it mean? Every liquid, gel, cream or aerosol you want to take on board must be in a container with a maximum capacity of 100 ml — regardless of how much product is left inside. Even if only 20 ml is left in a shampoo bottle, but the package itself is 200 ml — it will be confiscated.
All containers must fit in a transparent, resealable bag with a capacity of up to 1 litre (most often a zip-lock type). This rule applies not only to drinks but also to food, cosmetics, medicines and things that don't look liquid — but at the check are treated as such.
Examples of things subject to the 100 ml rule (and that can be confiscated):
- Water in a bottle: Even an unopened bottle of mineral water exceeding 100 ml won't pass through the check. It's best to take an empty bottle and fill it after the check.
- Yoghurt in a pot: Even though it's a dairy product, it's treated as a gel/liquid. Pots of 150–200 g won't pass in carry-on baggage.
- Hand cream above 100 ml: Regardless of consistency, all creams, lotions and ointments are deemed liquids. A 125 ml tube? Into the bin.
- Toothpaste in a large package: The popular 125 ml? Banned. Only miniatures (up to 100 ml) will pass the check.
- After-sun lotion with aloe: Even if it's a slightly gel formula, it's treated like a liquid. It must be in a small package.
- Honey: Although it seems thick — at check-in it's treated like a gel. A jar from a Polish market? Only in checked baggage.
- Jam: The same problem as with honey. Even homemade in a 200 ml jar — it won't pass.
- Coconut oil in liquid state: At room temperature it's sometimes hard, but if it melts — it becomes a classic liquid and is subject to restrictions.
- Baby milk without notification: You can carry it, but you have to notify it beforehand during the check and be ready for an organoleptic test by security.
- Contact lens fluid without travel packaging: A large bottle? Banned. It's best to pack travel miniatures or single-use ampoules.
- Shampoo or hair conditioner: Only in packages up to 100 ml. Full-size bottles must go into checked baggage.
- Shaving foam: An aerosol that's subject not only to the 100 ml rule but also to pressure restrictions. It must have a cap and not exceed the allowed volume.
- Perfume in a large bottle: Bottles above 100 ml (even if they're half empty) — are banned.
- Antibacterial gel: It must have a clearly marked volume not exceeding 100 ml and be tightly closed.
- Cream or liquid make-up: Foundations, concealers, lip glosses, mascaras — these are all liquids too. It's best to take only miniatures.
- Liquid or cream masks: Skincare cosmetics, even if packed in sachets, must have a volume marking.
- Ketchup and mustard: Catering containers or even small jars often exceed the allowed volume — it's better not to take them into the cabin.
- Peanut butter: Seemingly a paste, but treated like a gel. Large jars are banned in the cabin.
- Juice in a carton: Even if it's a small juice for a child — it must be up to 100 ml or be declared as part of infant feeding.
- Hairspray in a spray: Subject to pressure and volume restrictions — not only the quantity but also the aerosol content is regulated.
Summary: A liquid isn't just water — it's also a cream, yoghurt, gel, lotion or sauce. If you're not sure whether something is treated as a liquid — assume that it is. And be sure that all packages are up to 100 ml and fit in one transparent zip-lock bag. It's the simplest way to avoid unpleasant surprises at the security check.
Peli ATX travel suitcases
Food and food products
Category description: It seems that food is the least suspicious element of luggage — and yet! You can't always bring everything you want to eat or carry as a souvenir on board a plane. Airlines and customs services have specific rules regarding the carriage of food, especially fresh, unprocessed or strongly smelling food. Additionally, many products count as liquids (e.g. sauces, soups, yoghurts) and are subject to the 100 ml restriction.
Some products are banned for hygienic reasons, others may violate the customs or sanitary rules of destination countries. This applies especially to flights outside the European Union, where strict rules regarding food of animal and plant origin apply.
Examples of food products it's not worth taking into carry-on baggage:
- Hard cheeses with an intense smell: Although technically allowed, they can cause problems through their intense smell and the reaction of other passengers. Some countries may also confiscate them on entry.
- Sausages and cured meats: Meat products are often subject to import bans, especially outside the EU. Also banned in countries such as Australia, the USA or Canada.
- Fresh meat: Completely banned in carry-on and checked baggage during international travel — for sanitary and veterinary reasons.
- Raw eggs: Perishable, easily spoiled and subject to restrictions — both because of health hazards and customs restrictions.
- Unpasteurised dairy products: Risky from a hygiene and health point of view — they can be detained at the border, especially when travelling outside the EU.
- Sauces in packages above 100 ml: Regardless of type — mustard, ketchup, ajvar — they're treated as liquids and must fit in containers up to 100 ml.
- Exotic fruits with stones: Mango, lychee, durian — they can be banned from import into some countries due to the risk of introducing plant pests.
- Mushrooms: Especially fresh or dried ones picked yourself — they often don't have the appropriate documentation and can be deemed a phytosanitary threat.
- Home-cooked dishes in jars: Bigos, cabbage rolls, lecho — even if pasteurised, they're treated like liquid or semi-liquid products and won't pass the security check.
- Homemade alcohol: Many airlines ban bringing alcohol without a producer's label. It can also fall under local customs rules or be deemed a dangerous substance.
- Soups or broths: Like sauces — they're subject to the 100 ml liquid restriction. Larger packages are confiscated.
- Desserts with jelly or cream: Such as ptasie mleczko, cold cheesecakes, panna cotta — they have a gel structure and are also treated like liquids.
- Bread with filling or moist bread: E.g. cakes with fruit or moist buns can be subject to additional checks, especially if they're homemade and unpackaged.
- Animal food: If it contains meat or fish — it can be confiscated on international trips.
- Fruit in syrup: Pineapples, peaches etc. in jars or cans — they're treated as liquids, so large packages won't pass through the check.
- Frozen food: Even if it's frozen at check-in, it can thaw and be deemed a liquid — and then it won't pass through the check.
- Root vegetables (e.g. potatoes): In some countries they're subject to an import ban due to possible soil pests.
- Homemade preserves (e.g. jams): Even if beautifully packaged — jars exceeding 100 ml are banned in the cabin.
- Cream cakes: Such as napoleons, eclairs, small tortes — they contain a cream filling that's subject to the 100 ml rule.
- Fermented products (e.g. pickles): Sauerkraut or pickled cucumbers in plastic bags can be deemed a liquid or perishable product.
Summary: Although in many cases taking food on board is allowed, it's worth remembering the customs and hygiene restrictions and the 100 ml rule. It's best to opt for dry snacks, factory-packed and without an intense smell. This way you'll avoid not only confiscation but also unpleasant looks from fellow passengers.
Animals and materials of animal origin
Category description: Whether you're an animal lover, a collector or simply want to carry a souvenir — there are things you absolutely must not bring on board or carry in checked baggage. These bans result not only from concern for sanitary safety and health protection but also from international rules on the protection of endangered species (CITES).
Many travellers don't realise that some souvenirs, cosmetics or „natural” products contain banned components of animal origin. Carrying such things without the appropriate permits can end not only in confiscation but also in a fine, and even court proceedings.
Examples of things banned from carriage in this category:
- Unregistered animals (e.g. rodents): You can't carry any animals without notification, the appropriate documents and approval by the airline.
- Live fish in bags: Even if it's a „goldfish” in water — without the carrier's consent and the appropriate certificates you can't bring it on board.
- Live insects: Butterflies, beetles, crickets — banned, unless carried by authorised research institutions.
- Reptile eggs: Such as turtle or lizard eggs — carrying them without permits is a crime in most countries.
- Illegal skins and furs (e.g. from protected species): Even bought at a local bazaar — they may come from an illegal source and be detained.
- Ivory products: Banned almost worldwide — regardless of form (jewellery, figurines, sculptures).
- Feathers of wild birds: Especially from protected species — they may be subject to a trade and import ban.
- Animal fat in jars: E.g. lard — deemed risky in sanitary terms and may be banned in international transport.
- Breast milk without declaration: It can be carried under certain conditions, but without prior notification and appropriate packaging — banned.
- Souvenirs from horns, claws: Strictly banned in many countries if they come from wild or endangered animals.
- Preserved insects or arachnids in resin: Although popular as souvenirs, they may violate species-protection rules.
- Soft toys and ornaments from animal fur: Especially from exotic species — carrying them without documentation can be deemed illegal.
- Meat from wild animals: E.g. game bought at a market — without tests and documentation it can't be carried.
- Products containing musk or ambergris: Found in some perfumes and cosmetics — they may come from protected species.
- Turtle shells and products made from them: Beautiful, but banned — their export and import is subject to strict regulations.
- Beads from red coral: Although some are allowed, many species are protected and require a CITES certificate.
- Medicinal products from bear bile or rhino horn: Used in some traditional medicines — absolutely banned.
- Snake and crocodile skins: Without CITES certificates their carriage is illegal — even if bought legally locally.
- Bird eggs (e.g. ostrich): Even if empty or decorated — they may be subject to entry bans or require permits.
- Raw milk or cheeses from unpasteurised milk: Especially in intercontinental transport — banned for sanitary reasons.
Summary: Very strict rules apply to products of animal origin. If you're not absolutely sure that a given item can be carried — it's better to give up packing it. Border services have no mercy, and an unwitting violation of the rules can end in very serious consequences.
Peli travel bags & backpacks
Tools and industrial equipment
Category description: Some items look completely innocent — like ordinary tools or workshop equipment — but from the point of view of aviation safety they can be deemed potentially dangerous. Airlines and security services treat them seriously, because they can be used as a weapon or pose a risk of damaging the plane. This applies to both the passenger cabin and checked baggage — depending on the type of item and the rules of the given country.
That's why even if you're planning a business trip or returning from an industry fair, remember: not everything that fits in your suitcase can be taken on board!
Examples of things banned from carriage in this category:
- Drills: Both electric and cordless — banned in carry-on baggage due to the possibility of using them as invasive tools.
- Soldering irons: Due to the possibility of heating elements and producing high temperatures — deemed dangerous.
- Hand welders: Not only do they contain sharp elements, but they can also be a source of fire.
- Wrenches and adjustable spanners: Massive tools that can serve as a weapon or cause damage.
- Industrial adhesive tapes: They can be used to immobilise people or objects — often confiscated at the security check.
- Long electrical cables: Deemed potentially dangerous due to the possibility of using them for tying or short circuits.
- Voltage meters: Although small, they're often the subject of an additional check due to their electronic components.
- Multimeters: They require notification at the check — in some countries they can be detained for separate inspection.
- Hand saws: Blades with high striking potential — regardless of size they aren't allowed in the cabin.
- Wires and coils: Metal wires can be deemed potential tools of sabotage or violence.
- Angle grinders: Both with discs and without — due to the risk of damage and noise, they can't be carried in the cabin.
- Masonry or carpentry hammers: They belong to the class of tools deemed dangerous — they must be packed in checked baggage.
- Jigsaws and fretsaws: Tools with a mechanical blade — completely banned in the cabin.
- Circular saws: Even without a blade — treated as industrial equipment with a high degree of risk.
- Hydraulic jacks: Too massive and containing pressure elements — they can be banned in air transport.
- Cordless screwdrivers: They may contain lithium-ion batteries — they require special notification and packaging.
- Hand compressors and paint pumps: Pressure elements that can be banned due to the risk of explosion.
- Carpenter's planes: Although wooden, they contain sharp edges and are deemed potentially dangerous.
- Cutting pliers and metal shears: Cutting tools are categorically banned in the cabin.
- Gas torches (even empty): They contain pressure elements — completely banned without special permits.
Summary: If you're planning to take tools or industrial equipment — always check the airline's regulations. In most cases items of this type must be appropriately secured and carried only in checked baggage. The rule is simple: it's better to ask in advance than to lose a tool at the airport.
Electronics and interference equipment
Category description: Not all electronic devices are welcome on board a plane. Some of them can emit radio waves, interfere with navigation signals, affect communication systems or simply look suspicious during the security check. In this section we present equipment that can't be taken into the cabin (and sometimes not even into the hold), unless it meets strictly defined carriage conditions.
This also applies to modern gadgets that — although they look innocent — can cause unnecessary complications at the airport. It's worth knowing the list to avoid problems.
Examples of things banned or subject to restrictions in this category:
- Drones: Although they can often be carried in checked baggage, many airlines ban them in the cabin — especially due to the batteries and the possibility of remote control.
- Walkie-talkies: Portable two-way radios can interfere with aviation systems — their use on board is banned.
- Portable radio stations: Especially models with a large range and power — they require permits and can't be used during the flight.
- Military GPS equipment: Advanced receivers and trackers with encryption functions can arouse the suspicion of customs and security services.
- GPS transmitters with a tracking function: Tracking devices can be confiscated if they aren't properly declared.
- FM modulators: Devices emitting radio waves — banned in the cabin.
- Lasers: Regardless of power — deemed dangerous due to the possibility of blinding the crew or passengers.
- Wi-Fi signal amplifiers: Equipment emitting a strong radio signal can interfere with onboard communication.
- Spare lithium-ion batteries above 100 Wh: They can't be carried without the airline's consent — they require special packaging and declaration.
- Loose batteries without protection: They risk short circuits or overheating — they must be transported in accordance with IATA rules.
- Power banks of large capacity (>27,000 mAh): Often banned in the cabin without prior notification.
- Electronic signal jammers: Completely illegal in air transport.
- Mini radio transmitters (e.g. bugs): They can be deemed spy devices — risk of confiscation and penalties.
- Electronic cigarettes with an induction heater: Some models are subject to restrictions — it's worth checking the carrier's regulations.
- Tablets with offline navigation apps (for pilots): They may require notification if they contain specialist aviation software.
- DIY retro consoles (with built-in emulators): They sometimes contain suspicious components — possible detention at the check.
- Mini routers with a hotspot function: Devices that can interfere with onboard Wi-Fi — not always accepted.
- Remote-control kits for models (RC): They require separate notification — they can be deemed risky.
- Electronic watches with a satellite connectivity function: In some countries banned without a licence.
- Solar chargers with a data transmission function: Some models contain functions that require additional inspection.
Summary: It's worth remembering that not everything electronic can fly with us without restrictions. If you're carrying technical, communication or power equipment — familiarise yourself thoroughly with the airline's rules. This way you'll avoid not only the loss of the device but also unpleasant explanations with airport security.
Unusual and strange items
Category description: Although some items may seem completely innocent, at airports they can meet with great difficulties. Sometimes things we consider normal in everyday life can cause trouble during the security check. In this section you'll find items that surprise travellers — and some of them are better left at home if you don't want to delay your flight!
Travelling isn't just about packing the basic things. Often on our lists there's something unusual — something that could make the journey pleasant for us, but on board a plane can cause undesirable problems. Here's a list of items that can surprise you.
Examples of things banned or subject to restrictions in this category:
- Stones and minerals from protected beaches: Although they may look like a beautiful souvenir, taking them from protected beaches is illegal. In some countries they can be confiscated.
- Souvenirs with shark teeth: Products made from the bones or teeth of protected species are banned from transport, because they may violate nature-protection rules.
- Clocks with a spring mechanism: Although these clocks can be charming, their spring mechanism can be deemed a potential danger on board. It's definitely better to leave them at home.
- Magnetic keyrings with a strong field: Carrying strong magnets in luggage can be problematic, because they can interfere with electronic devices on the plane.
- Toys imitating weapons: Even though they may seem innocent, toys in the shape of a weapon — even those that look like plastic pistols — can be deemed a threat and confiscated at the airport.
- Figurines with sharp elements: Sculptures or figurines with metal or glass elements that can be deemed a potential danger are often banned in carry-on baggage.
- Wire kitchen whisks: Whisks with metal wires that can be deemed sharp objects are often treated as a potential dangerous tool on board.
- Training weights: Although they can be helpful during exercise, in carry-on baggage they can be deemed a dangerous load, especially if made of heavy materials like metal.
- Metal cutlery: Toys in the shape of cutlery, knives or metal forks, although in theory intended for use in a game or play, can be deemed potentially dangerous, especially in the aircraft cabin.
- Musical instruments with tension wires: Some instruments, such as guitars or harps, may contain tension wires that are treated as sharp objects, which is why their carriage in carry-on baggage is sometimes restricted.
- Magnetic blocks: Magnetic sets that can be used to build models are banned, because strong magnets can interfere with the operation of electronic devices on the plane.
- Sculptures with sharp edges: Contemporary art that uses sharp edges or metal elements can be deemed dangerous during the security check.
- Metal self-defence keys: Although often used in everyday life, they can be deemed a dangerous object that can be used in a dangerous way.
- Hand tools for making jewellery: Tools such as hammers, needles or other elements used in the process of creating jewellery can look like a potential threat.
- Animal-shaped pillows with hard elements: Although they can be comfortable, hard elements inside can be deemed dangerous and not carried in the cabin.
- Training equipment with heavy elements: Heavy accessories such as kettlebells or dumbbells can be treated as dangerous, especially when not properly packed.
- Souvenirs from sea shells: Often banned, especially if they come from protected areas such as coral reefs.
- Plants in pots with hard branches: Plants that contain hard elements can be deemed dangerous, especially if they can interfere with safety during the flight.
- Hand garden tools: Hand tools such as trowels, forks or secateurs, although they may look innocent, can be deemed potentially dangerous.
- Items made of materials of unknown origin: Strange, exotic items that look unknown or suspicious can meet with delays during the security check.
Summary: Although many of these items may seem completely safe or interesting, you should remember that any unusual thing in luggage can arouse the suspicion of security services at the airport. To avoid delays, it's best to think over which of these things are really worth taking on board.
Items banned under local rules
Category description: Although some items are allowed in Poland, some of them may be completely banned in other countries. Each state has its own unique rules regarding import and export, which may differ from those we know in Poland. Often ignoring these rules can lead to serious consequences such as fines, confiscation of property or even arrest. That's why it's worth knowing what may be a problem at borders, to avoid trouble during your trip.
Examples of items that may be banned in various countries:
- E-cigarettes in some countries: Although e-cigarettes are popular in Poland, some countries, like Australia, Singapore or Thailand, have strict rules banning their import. Allowing such products to circulate may be banned, and carrying them — punishable.
- Amber beads (banned for export from some regions): In some countries, especially coastal regions where amber is deemed a national treasure, the export of such items may be banned. Before taking amber beads or jewellery, check the local rules on the protection of natural resources.
- The Quran or the Bible in restrictive countries: In countries with restrictive rules regarding religion, such as Saudi Arabia, it may be illegal to possess biblical or Islamic texts, especially if they're in a translation that isn't recognised by the authorities of the given country.
- Alcohol to Mexico without duty: Although alcohol is allowed in Mexico, bringing it in without the appropriate customs declarations or over the allowed limits can result in high financial penalties or confiscation of the goods. You must observe the alcohol carriage limits at the border.
- Cannabis products (even CBD cosmetics): Although products containing CBD are legal in many countries, in others, such as the United Arab Emirates or Japan, they're completely banned. Cosmetics, oils or other cannabis products can be confiscated.
- Electronic cigarettes in Singapore: Singapore has very restrictive rules regarding e-cigarettes. Carrying them into the country is banned, and violating this ban risks a high fine or arrest.
- OTC medicines banned in Japan (e.g. pseudoephedrine): In Japan some popular medicines available without prescription in Poland (such as preparations containing pseudoephedrine) are banned. Carrying them can lead to their confiscation or arrest.
- Medicinal herbs (e.g. kratom): Kratom, although legal in many countries, is banned in places such as Australia, Malaysia or New Zealand. Even herbs used for medicinal purposes can be illegal in many countries, so it's worth checking the rules before import.
- Pornography (in the Emirates or Malaysia): In countries such as the United Arab Emirates, Malaysia or Iran, possessing pornographic materials is illegal and can lead to severe penalties. It's worth remembering that the rules regarding multimedia content can differ significantly depending on the region.
- Political materials (e.g. leaflets): In countries with restrictive rules regarding freedom of speech, like China or the United Arab Emirates, possessing political materials, leaflets or publications that may undermine the local authority is banned.
- Items associated with magic and witchcraft: In some countries, especially in Muslim states, it may be illegal to possess items associated with witchcraft, fortune-telling or magic, e.g. talismans or amulets.
- Dietary supplements with banned substances: In some countries dietary supplements that contain substances such as ephedrine or other stimulants are banned. It's worth checking the composition of your supplements before travelling.
- Caution with food: illegal food products: In some countries the import of certain types of meat, cheese or fruit is banned. For example, carrying meat from some countries into Japan or Australia can be severely punished.
- No firearms licence: Although firearms may be legal in some countries, in others, like Japan or the United Arab Emirates, possessing them is illegal, even if you have a permit in your own country.
- Alcoholic drinks to some Middle Eastern countries: In countries such as Saudi Arabia or the United Arab Emirates an alcoholic drink is completely banned. Even possessing a small amount can lead to serious consequences.
- Culturally sensitive items: In countries such as India, Nepal or Afghanistan, items associated with culture or religion that may be deemed offensive (e.g. depictions of deities) can meet with an import ban.
- Military equipment, including spy cameras: In countries such as the USA, North Korea or Russia, bringing in military equipment, spy cameras or other equipment that can be used for intelligence purposes is banned.
- Items associated with gambling: In countries such as the United Arab Emirates, gambling is illegal, and items associated with gambling games can be confiscated.
- Animal breeds deemed dangerous: In some countries, such as Australia, carrying certain animal breeds (e.g. pitbull-type dogs) is banned due to safety concerns.
Summary: Before travelling it's worth familiarising yourself with the local rules regarding items that may be banned in the given country. Ignoring these rules can lead to serious legal consequences as well as delays during the trip. It's worth being well prepared and checking what's worth taking and what's better avoided, to avoid unpleasant surprises at the border.
What you can't take on a plane — summary
Travelling by plane isn't just a matter of packing clothes and a passport. It's also responsibility for what we take with us — both in carry-on and checked baggage. As the examples above show, the list of banned or problematic items can be very long and often surprising.
Restrictions aren't there to make passengers' lives difficult — they aim at the safety of everyone on board and the protection of local customs and sanitary rules. Everyday items, medicines, electronic equipment and even food can become a reason for baggage being detained, destroyed or for a delay in the journey, if they don't meet the requirements of the given carrier or destination country.
That's why before every trip it's worth taking a moment to thoroughly check the rules in force on the given airline. Particular attention should be paid to restrictions regarding liquids (maximum 100 ml per package, packed in a transparent bag), medicines (some substances are fully legal in Poland but banned e.g. in Japan or the Emirates), and unusual items that may arouse suspicion during the check.
When packing your luggage it's worth preparing a list of things you plan to take, and immediately eliminating those that may be problematic. If we have doubts about a specific product — it's better to contact the carrier's helpline or check the regulations on the airline's website. This also applies to medicines, electronics and gifts — especially when we're flying outside the European Union.
To sum up: the better we prepare before departure, the calmer our journey will be. It's always worth checking the lists of banned items, keeping order in the suitcase and not leaving preparations to the last moment. It's a simple way to avoid stress, unnecessary costs and unpleasant surprises at the airport.
