
There are many restrictions on what you can and cannot bring to an airport, especially when it comes to carry-on luggage. Liquids, gels, and creams, for example, are limited to containers of 3.4 ounces or less. Items such as firearms, ammunition, fireworks, knives, and safety razors are prohibited. Most tools are also not allowed, as they can be used to cause harm. When it comes to clothing irons, they are permitted as carry-on items, but the water must be emptied, and they should be placed in a bin for X-ray screening, separate from your luggage. It is worth noting that even if an item is generally permitted, it may be subject to additional screening or not allowed through the checkpoint if it triggers an alarm, appears tampered with, or poses security concerns. Ultimately, the decision rests with the TSA officer.
| Characteristics | Values |
|---|---|
| Allowed in carry-on | Yes |
| Emptying the water reservoir | Yes |
| X-ray screening | Required |
| Powerless devices | Not permitted onboard |
| Liquids, gels, or creams | Under 3.4 oz |
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What You'll Learn

Liquids, gels, and creams under 3.4 oz are allowed
Liquids, gels, and creams in containers of 3.4 ounces (100ml) or less are allowed in carry-on luggage. This includes items such as pill bottles, deodorant, and other personal care products. However, it's important to note that even if an item is generally permitted, it may be subject to additional screening or not allowed through the checkpoint if it triggers an alarm during screening, appears tampered with, or poses security concerns. The final decision rests with the TSA officer.
When packing liquids, gels, and creams, it's recommended to follow the 3-1-1 rule:
- 3.4-ounce (100ml) container size for liquids, gels, and creams
- 1 quart-sized, clear, plastic, zip-top bag to hold the containers
- 1 bag per passenger to be placed in the screening bin
Regarding other items, straight razors and blades, firearms, ammunition, fireworks, knives, and most tools are prohibited in carry-on luggage. Some sporting equipment, such as baseball bats and golf clubs, is also not allowed. However, roller skates, rollerblades, and even fishing poles that meet size restrictions can be brought on board.
For items like clothing irons, there is conflicting information. While some sources suggest that they are allowed in carry-on luggage as long as any water is emptied, others advise against it due to the potential for additional screening or confiscation. It's always best to check with the TSA directly or opt for packing such items in checked luggage to avoid any issues.
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Medication doesn't need to be in prescription bottles
It is permissible to bring an iron in your carry-on luggage when travelling by plane. However, it is recommended that you empty out any water from the iron before packing it. Additionally, placing the iron separately in a bin during the X-ray screening process is advisable, similar to the procedure for other electronic devices larger than a cell phone. Most hotels provide irons, so bringing one may be unnecessary.
When travelling with medication, it is essential to follow specific guidelines to ensure compliance with regulations and to maintain your health. Here are some crucial instructions and insights regarding medication during travel:
- Original Containers: While it is not mandatory to keep medication in prescription bottles, it is highly recommended to store them in their original, labelled containers. This helps provide clear identification and reduces the risk of medication being mistaken for illegal substances.
- Proper Labelling: Ensure that your medication containers are appropriately labelled with your full name, the name of your healthcare provider, the generic and brand names of the medication, and the exact dosage. Proper labelling helps customs officials identify your medication and facilitates easy refills if needed.
- Prescription Copies: Always carry copies of your written prescriptions, including the generic names of the medications. Keep one copy with you during your travels, and leave another copy with a trusted friend or relative back home. Having a copy ensures quick access to the information if your medication is lost or delayed.
- Doctor's Note: Consider obtaining a doctor's note explaining why you are taking specific medications. While not always required, a doctor's note can be highly beneficial and simplify any potential scrutiny at border controls. It also helps local medical professionals understand your treatment plan if you need medical attention during your trip.
- Research Destination Regulations: Different countries have varying regulations regarding medication. Before travelling, research the rules and restrictions of your destination country. Some medications that are legal in your home country may be prohibited or require prior approval in other nations. Consult official government sources or destination-specific travel advice to ensure compliance.
- Quantity and Supply: Bring enough medication to last your entire trip, plus some extra in case of unforeseen travel delays. Many countries allow travellers to carry a 30-day supply of specific medications, but some may require a prescription or medical certificate from your healthcare provider. Check with your destination's guidelines to ensure you adhere to their policies.
- Temperature Control: Be mindful of extreme temperatures that can affect the effectiveness of your medication. If your medication requires refrigeration, take the necessary steps to store it properly during your travels.
- Travel Health Kit: Prepare a comprehensive travel health kit that includes all your prescription and over-the-counter medications. Keep this kit with you in your carry-on luggage to ensure easy access and reduce the risk of loss or delay.
- Alternatives and Restrictions: If your medication is not permitted at your destination, consult your healthcare provider about alternative treatments. They can advise you on suitable options and provide a letter describing your condition and treatment plan. Additionally, be cautious when purchasing medications outside your home country, as counterfeit or substandard products may be prevalent.
- International Resources: Utilize resources such as the International Narcotics Control Board website, which provides valuable information about narcotics and controlled substances for travellers. The CDC's destination pages and travel health information can also offer insights into vaccines, medicines, and health risks specific to your destination.
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Self-defence items are not allowed in carry-on luggage
If you're planning to bring an iron with you to the airport, you'll be glad to know that it's generally permitted as carry-on luggage. However, it's important to ensure that you empty any water from the iron before passing through security. Additionally, placing the iron in a separate bin during the X-ray screening process is recommended.
Now, when it comes to self-defence items, the regulations are a bit different. While feeling safe during your travels is important, you should be aware that most weapons are prohibited in carry-on luggage. Items such as pepper spray, stun guns, and tasers are considered weapons and are not allowed in your carry-on baggage. These items can, however, be placed in your checked luggage, provided they adhere to specific guidelines. For example, pepper spray containers must be no larger than 4 ounces and have less than 2% tear gas by mass.
It's worth noting that certain self-defence items are permitted in your carry-on luggage. Tactical pens, which are sturdy writing pens with hardened tips, are allowed as long as their primary function is for writing. Personal alarms, flashlights, whistles, and tactical gloves are also approved for carry-on bags. Additionally, pocket knives with blades shorter than 2.36 inches (6 cm) that have a folding or retractable mechanism are generally permitted in carry-on luggage.
To ensure a smooth travel experience, it's crucial to familiarise yourself with the specific regulations of the country you're visiting. Some countries, like the UK, have stricter restrictions on items such as pepper spray. Additionally, keep in mind that the Transportation Security Administration (TSA) in the United States offers a PreCheck program that allows low-risk travellers to expedite the security screening process with shorter wait times and less intrusive procedures. This program is available for US citizens, lawful permanent residents, and some foreign nationals travelling through the US.
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Firearms, ammunition, and fireworks are prohibited
While you can pack a clothing iron in your carry-on luggage when travelling by air, the same is not true for firearms, ammunition, and fireworks. These items are prohibited from being transported in carry-on baggage. However, you may transport unloaded firearms and ammunition in checked baggage under certain conditions.
Firearms must be unloaded and locked in a hard-sided container. Only the passenger should retain the key or combination to the lock, unless TSA personnel request to open the firearm container to ensure compliance with regulations. Firearm parts, including magazines, clips, bolts, and firing pins, are also prohibited in carry-on baggage but may be transported in checked baggage. Small arms ammunition must be packaged in a cardboard, wood, plastic, or metal box specifically designed for ammunition and declared to the airline.
Ammunition may be transported in the same locked case as a firearm, provided it is packaged as described above. Replica firearms, including toys, may only be transported in checked baggage. It is important to comply with the laws concerning firearm possession, as they vary by local, state, and international governments.
Additionally, all Law Enforcement Offices (LEOs) flying armed must check in with the airline agent and submit a National Law Enforcement Telecommunications System (NLETS) message during airport check-in. This message serves as verification for the day of travel. It is crucial to plan ahead and pack properly to facilitate the screening process and ensure a smooth travel experience.
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Electric irons must be emptied of water
Electric irons are allowed in carry-on luggage when flying, but they must be emptied of water. This is because liquids, gels, and creams must be under 3.4 ounces to be allowed through security. It is recommended that you remove the iron from your carry-on luggage and place it in a bin for X-ray screening, in the same way that you would with any other electronic device larger than a cell phone.
Even if an item is generally permitted, it may be subject to additional screening or not allowed through the checkpoint if it triggers an alarm during the screening process, appears to have been tampered with, or poses other security concerns. For example, while pill bottles are allowed, many medications will need to be declared and screened. Officers may also ask you to power up your electronic device, and powerless devices will not be permitted onboard the aircraft.
The final decision on whether an item is allowed through the checkpoint rests with the TSA officer. Items that are not allowed in carry-on luggage include sporting equipment (such as baseball bats, ski poles, golf clubs, and pool cues), self-defense items (such as pepper spray), and tools (with the potential to cause harm). Certain foods are also prohibited when travelling internationally or from Hawaii to the US mainland, including meats, vegetables, and plants.
It is important to plan ahead and pack properly to facilitate the screening process and ease your travel experience at the airport. Make sure you know what you can pack in your carry-on bag and what you need to place in your checked luggage.
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Frequently asked questions
Yes, you can bring an iron in your carry-on luggage. However, you must ensure that you empty out any water from the iron before passing through security. It is also recommended to place the iron in a separate bin during the X-ray screening.
Irons are generally permitted in carry-on luggage. However, it is important to note that even if an item is typically allowed, it may be subject to additional screening or prohibited from passing through security if it triggers an alarm, appears tampered with, or raises security concerns.
While irons are typically allowed, it is always good to check with specific airline and airport regulations to avoid any issues. Additionally, consider that most hotels provide irons, so bringing one may be unnecessary.











































