What is the TSA 3-1-1 rule?

You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.



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Back here in the U.S., though, 3-1-1 remains the prevailing order, for the foreseeable future, when it comes to liquids, gels, aerosols, creams, and pastes. And those rules remain: No single bottles of more than 3.4 ounces, all bottles in one clear plastic bag, with no more than one such bag per passenger.

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Yes, toothpaste is considered a liquid when flying and must be within the 3.4oz (100ml) limit for liquids in order to bring it in your carry-on bag. Any amount larger than that must be checked with your luggage.

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In short, the 3-1-1 rule is: Each liquid you bring through the TSA checkpoint must be in a 3.4-ounce or smaller container (3), all containers must be placed inside one clear quart-size plastic bag (1) and each passenger is only allowed one plastic bag (1).

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Each passenger is limited to one quart-size bag of liquids, gels and aerosols. Common travel items that must comply with the 3-1-1 liquids rule include toothpaste, shampoo, conditioner, mouthwash and lotion.

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Safety Razors: Because the razor blades are so easy to remove, safety razors are not permitted in your carry-on luggage with the blade. They're fine to pack in your carry-on without the blade. The blades must be stored in your checked luggage. The same applies for straight razors.

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Is Mascara Considered a Liquid by TSA? TSA counts mascara as a liquid, so the 3-1-1 rule for packing it in hand luggage applies. It states that all liquids have to be in 3.4 oz (100 ml) bottles or smaller and packed in a 1-quart bag. Mascara usually isn't above 3.4 oz, so you're free to pack it in your hand luggage.

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The TSA's liquid limit for carry-ons—known as the 3-1-1 rule—allows travelers to pack liquids, aerosols, gels, creams, and pastes under 3.4 ounces (100 milliliters) in their carry-on bags. Passengers are allowed up to one quart-sized bag per person, or roughly nine 3.4-ounce containers in a single quart-sized bag.

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Toothpaste is considered a liquid by the TSA (Transport Security Agency), even though it's technically a paste. In fact, all pastes, gels, waxes, and lotions are also classified as liquids. And even today, these substances are still restricted by the 3-1-1 rule in hand luggage due to safety threats.

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Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.

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There are no TSA restrictions on Chapstick. Even though it smears and spreads onto the lips, Chapstick is not considered a liquid by the TSA. You can just toss your chapstick in your carryon bag or checked luggage.

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Yes, you can take tweezers on a plane and pack them in your carry-on and/or checked bag. It's beneficial to pack them properly to avoid any inconvenience.

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For example, classic stick deodorant doesn't have any limitations, so you're free to pack whatever size you want. Liquids and semi-liquids, on the other hand, are subject to restrictions. This includes many of the popular alternatives to stick deodorant: Roll-On Deodorants and Antiperspirants.

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Sanitizing Wipes: Wet wipes, in any quantity, can be carried on. This includes baby wipes! Disinfectant sprays: You are allowed to have sprays in your carry-on bag as long as they do not exceed 3.4 oz.

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Any item that alarms or is unable to be screened will not be permitted in your carry-on bag. We recommend packing all liquids, gels, and aerosols that are over 3.4 oz or 100 ml in your checked baggage, even if they are in a secure, tamper-evident bag.

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TSA Isn't Very Strict About Quart Size Bags
If the bag is transparent, resealable, and doesn't look much larger than a 1-liter Ziploc bag, it will be allowed. You'll only encounter problems if your toiletry bag looks way too large or if you encounter a very strict officer, but this happens rarely.

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It is recommended that medication be clearly labeled to facilitate the screening process. You may bring medically necessary liquids, medications and creams in excess of 3.4 ounces or 100 milliliters in your carry-on bag. Remove them from your carry-on bag to be screened separately from the rest of your belongings.

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The TSA prohibits containers with more than 3.4 ounces of liquid in carry-on luggage, so if you have a liquid or semi-liquid antiperspirant, be sure to check the quantity on the container. For example, many stick deodorants and antiperspirants come in sizes under 3.4 ounces, so it's fine to bring in your carry-on bag.

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However, when packed in carry-on bags, makeup in a liquid, lotion, gel, paste or creamy form, must be in containers that are 3.4 ounces or less. You can take as many travel-sized liquids as you can comfortably fit into one quart-sized, zip-top bag. One liquids bag is allowed per passenger in carry-on bags.

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TSA allows bringing nail clippers on planes. You're allowed to pack them in hand and checked baggage without any packing restrictions. They're considered harmless because the blade on them is too short to successfully be used as a weapon.

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Make sure your lotions, creams, and other liquid body products are each 3.4 ounces or smaller and packed in a clear, quart-sized container. If you like to pack wet wipes or makeup wipes to freshen up during your travels, you're free to bring these in your carry-on or checked luggage.

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