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What are the 3-1-1 travel rules?

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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Liquids, gels and aerosols packed in carry-on must follow the 3-1-1 liquids rule:
  • 3.4 ounces or less per container.
  • 1 quart size, clear, plastic, zip top bag (all liquids must fit in bag)
  • 1 bag per passenger.


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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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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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But what are they, and is deodorant considered a liquid when flying? Deodorant can be considered a liquid when flying if it is in a gel or aerosol form. If your deodorant is solid, though, the TSA will let you bring a standard stick of solid deodorant with you in your carry-on luggage.

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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 toothpaste considered a liquid by the TSA? Yes, toothpaste must adhere to the 3-1-1 rule for liquids and gels. Toothpaste can be brought through TSA security in your carry-on as long as it is 3.4 ounces (100 milliliters) or less and placed in a 1-quart bag.

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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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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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You must be able to fit all your 3-ounce bottles into a 1-quart bag, which is 6 x 9 inches. This usually equates to nine bottles. FYI, you can use a Ziploc or any anything that's about that size, but the TSA doesn't officially approve or disapprove of any bags.

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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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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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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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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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Disposable razors, replacement blades, and electric razors can go in either your carry-on or checked baggage; if you have a safety or straight razor, you can pack it in your carry-on — but you must remove the blades first and pack them in one of your checked bags.

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Any hairspray you bring on a plane in carry on baggage must be in 3.4 ounce containers or smaller, and it must fit in your liquids bag. If you're traveling with a larger bottle of hairspray, pack it in checked luggage, and make sure the container is 18 ounces (16 fluid ounces) or smaller.

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What kind of bag should I use to pack toiletries in my carry-on luggage? The requirements are that your bag be clear and no larger than one quart (or one liter).

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No more rummaging in your bag: London City Airport scraps 100ml liquid rule. LONDON, April 4 (Reuters) - There will be no more rummaging in the bottom of your bag for a forgotten hand cream or water bottle at London City Airport after it became the first of the capital's hubs to scrap the 100ml liquid limit rule.

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