Navigating airport security can be stressful enough without unexpected delays, so be sure to avoid these 15 surprising items that could get you stopped. Many travelers are unaware that everyday items can trigger alarms or raise red flags during the screening process. Understanding what to avoid can help you have a smoother experience through security checkpoints.
From seemingly harmless personal items to unexpected gadgets, these objects can lead to delays and complications. Being informed about what can cause issues not only saves time but also reduces frustration during the screening process.
Curious about what items to watch out for? Let’s take a closer look at the surprising things that might get you stopped at airport security and how to prepare for your next trip!

Frozen Water Bottles

Frozen water bottles may seem like a clever way to keep hydrated during your trip, but airport security considers them a potential issue. While frozen, the liquid inside is still technically considered a liquid, which means it falls under the 3-1-1 rule for liquids in carry-on luggage. If you attempt to bring a frozen bottle through security, it may cause confusion and delays. The best approach is to let it thaw before entering the checkpoint or carry it in a cooler bag if you want to keep your drink cold until you’re past security.
Laptops in Checked Luggage

Packing your laptop in checked luggage might seem like a practical solution to free up space in your carry-on, but it could lead to problems at security checkpoints. Laptops contain lithium-ion batteries, which have the potential to overheat or catch fire if damaged or improperly stored. Airport security is cautious with electronics, especially when they are not easily accessible for inspection. Additionally, there’s the risk of your laptop being damaged, lost, or stolen in checked bags. It’s always a safer choice to carry your laptop with you in your carry-on bag for peace of mind.
Nail Files and Scissors

Many people include nail files and small scissors in their carry-on for grooming, but these items are often flagged by airport security. Scissors with blades longer than a certain length and nail files made from metal or other sharp materials may not be allowed through the checkpoint. Security staff are cautious about these items because they can be used as potential weapons. To avoid delays, consider packing them in your checked luggage or switching to safer alternatives that meet airport regulations. Always check with your airline or the TSA’s website to confirm what’s permissible before packing.
Excessive Amount of Powdered Substances

Bringing large amounts of powdered substances such as makeup, protein powder, or baby powder can create delays at airport security. Airport regulations on powders are stringent, and items exceeding the allowed quantity can raise alarms. If you pack more than 350 milliliters of powdery substances, they may be subject to additional screening. This could involve opening the containers for inspection or even confiscating the items. To ensure a smooth screening process, it’s best to carry powders in smaller, travel-sized containers that comply with the regulations. Always double-check with your airline to ensure that you’re within limits.
Selfie Sticks

Selfie sticks may seem like an innocent travel accessory, but airport security often views them as a potential hazard. These poles can be used as makeshift weapons or cause disruptions during the screening process. Selfie sticks that are made of metal or rigid plastic are more likely to raise concerns, as they can be difficult to screen quickly. Additionally, these items might block the flow of passengers or interfere with other security procedures. If you're traveling with a selfie stick, consider packing it in your checked luggage or leave it at home to avoid complications at security.
E-Cigarettes and Vapes in Checked Luggage

E-cigarettes and vape pens are commonly carried by travelers who prefer them over traditional cigarettes. However, these items pose a unique risk when placed in checked luggage due to their lithium-ion batteries, which can overheat or catch fire if damaged. Because of this, most airlines and airport security regulations require that e-cigarettes and vapes be carried in your carry-on bag, not in checked luggage. When traveling with these items, make sure to keep them accessible and securely stored in your carry-on to prevent delays or confiscation, and avoid packing them in your checked bags.
Large Containers of Peanut Butter

Packing large containers of peanut butter can be problematic when passing through airport security due to its thick consistency. Even though peanut butter is a staple food item, its texture causes it to be treated as a gel or liquid, and larger containers may exceed the allowed quantity for carry-on items. If you’re planning to bring peanut butter, ensure it’s in a container that holds no more than 3.4 ounces (100 milliliters) to comply with liquid regulations. Alternatively, consider packing individual servings or using a travel-sized jar to avoid any hassles at the checkpoint.
Flammable Items in Luggage

Many everyday products, such as aerosol cans, hairspray, or certain perfumes, are considered flammable and may trigger alarms at security checkpoints. Airport regulations prohibit packing items that are labeled as flammable in your carry-on baggage due to the risk of combustion. These substances, when exposed to heat or pressure changes in flight, could become hazardous. To prevent having these items confiscated, always check the labels before packing and opt for smaller, travel-sized containers that are specifically designed for air travel. If in doubt, pack them in your checked luggage, following the guidelines provided by your airline.
Power Banks Over a Certain Capacity

Power banks are essential for keeping your devices charged while traveling, but they come with specific restrictions that travelers may not always be aware of. Power banks with a capacity that exceeds 100 watt-hours (Wh) are prohibited from being carried on airplanes, as larger batteries can pose a risk of overheating or catching fire. For smoother travel, always check the watt-hour rating on your power bank and ensure it falls within the limits. Typically, smaller power banks are allowed in your carry-on, while larger ones should be packed in checked luggage if permitted by the airline.
Disposable Razors with Blades Exposed

Disposable razors are generally allowed in carry-on luggage, but those with exposed blades can cause concern during security screening. Security staff are cautious about any sharp object that could potentially be used as a weapon, and razors with exposed blades may not be allowed. To prevent delays or confiscation, opt for razors that feature retractable or safety covers for the blades. Alternatively, pack disposable razors with the blades securely hidden in your checked luggage to ensure that they pass through security without any issues. Always check with your airline for specific guidelines.
Meat, Fruits, and Vegetables

While it might seem harmless to bring along some fresh produce or snacks, many countries have strict regulations about importing meat, fruits, and vegetables. These items could be flagged at security due to the risk of pests, diseases, or contamination. If you're traveling internationally, customs agents often confiscate fresh food items to prevent harmful agricultural impacts. To avoid complications, check the rules for bringing food across borders before your trip. For non-perishable items like dried fruit or packaged snacks, make sure they are sealed and within the allowed limits for airport security to avoid any issues.
Multitools and Swiss Army Knives

Multitools, Swiss Army knives, and similar gadgets with sharp edges or tools are often flagged during security checks. Despite their usefulness for everyday tasks, these items can be considered potential weapons due to the presence of knives, screwdrivers, or scissors. As a result, they are typically prohibited in carry-on luggage. To prevent any issues at the security checkpoint, consider packing these items in your checked luggage or leaving them at home. Always check your airline’s specific regulations for carrying multitools and knives, as rules can vary depending on the airline and destination.
Loose Batteries

Loose batteries, especially lithium-ion batteries, pose a significant risk due to the potential for short-circuiting or causing fires. Airport security is especially cautious with spare or uncontained batteries because of these safety concerns. It's important to store batteries properly in their original packaging or in a protective case when traveling. Loose batteries in your carry-on luggage may be flagged and confiscated. For a smooth journey, ensure that any extra batteries are secured and comply with airline regulations. Some airlines have specific rules for carrying batteries, so always double-check their guidelines before packing.
Gel Shoe Inserts

Gel shoe inserts, while helpful for comfort during long flights, can cause problems during security screening. These inserts are often made with materials that may be classified as gels or liquids, which are subject to the 3-1-1 rule for carry-on liquids. This means that they must be in containers smaller than 3.4 ounces (100 milliliters) if carried in your carry-on luggage. To avoid complications at the security checkpoint, store them in a sealed bag or place them in your checked luggage if they exceed the allowable liquid limits. Always check with your airline for specific packing instructions.
TSA-Approved Locks on Bags with Key Inside

While TSA-approved locks are a great way to keep your luggage secure, placing the key inside your locked bag can cause problems at security. Security agents need access to your luggage for inspection, and having the key inside the lock could delay the process or even result in having the lock cut off. To avoid this, always keep your lock's key with you in a separate location or use a combination lock to bypass the need for a physical key. Make sure your lock is compliant with TSA regulations and doesn't interfere with the inspection process.
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