What does 3-1-1 mean when flying?

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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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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It's called the 3-1-1 rule because your liquids must be no more than 3.4 ounces (that's the 3), they have to fit into 1-quart bags (there's the 1) and you're only allowed one (that's the final 1) of the bags.

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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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The TSA 3-1-1 rule does not apply to checked baggage. However, there are some restrictions on what liquids can be transported in your checked baggage. There may also be limitations on the quantity of liquids when it comes to importing large quantities of things like alcohol.

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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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Spray, Gel, Liquid, Cream, Pastes, and Roll-On deodorants need to be in containers no larger than 3.4 ounces and placed in a clear quart-sized baggie.

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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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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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Solid food items (not liquids or gels) can be transported in either your carry-on or checked baggage. TSA officers may instruct travelers to separate items from carry-on bags such as foods, powders, and any materials that can clutter bags and obstruct clear images on the X-ray machine.

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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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3 – Liquids, gels, and lotions must be in a container that is 3.4 ounces (100ml) or less (by volume). 1 – All of your items should fit into a 1-quart clear, plastic, zip top bag.

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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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The application fee for TSA PreCheck® is $78 for 5 years. Before you apply, we recommend that you review the various DHS trusted traveler programs, such as the TSA PreCheck® Application Program, Global Entry, NEXUS, or SENTRI, to ensure you meet the eligibility requirements and determine the best program for you.

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The 3-1-1 rule basically states that all liquids must be in a container that is 3.4 ounces or smaller, and all of your carry-on liquids must fit in one clear, quart-sized bag. This rule applies to all sorts of everyday items, like sunscreen, makeup, lotion, and shampoo.

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If you are packing your makeup in your carry-on, just make sure that any liquids are in a container that is 3.4 ounces or less. You can also take as many 3.4 ounce containers as you want, as long as they all fit into one quart-sized, clear bag. Additionally, solid deodorant is allowed in carry-on bags.

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Many people wonder whether Chapstick is considered a liquid under TSA rules when traveling by air. The good news is that Chapstick, like other lip balms, is not considered a liquid and is allowed on the plane without any restrictions.

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Can You Bring Tweezers on a Plane? - Can You Bring Tweezers on a Plane? TSA considers tweezers to be completely safe, so they're allowed on planes. You can pack tweezers in hand or checked baggage without any packing restrictions.

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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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Shampoo and Deodorant
Shampoo and conditioner — as well as and roll-on, aerosol, and gel deodorant — must be travel-sized and fit into one quart-sized, zip-top bag to meet standard carry-on bag requirements. If any of the containers are larger than 3.4 ounces, you will need to pack them in your checked luggage.

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Because the TSA considers the nut spread a liquid, plane passengers must limit the amount they bring in their carry-ons. Like all other liquids, passengers are limited to 3.4 oz or less of peanut butter in their carry-on bag, but can also put the snack in their checked baggage.

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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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When it comes to lipstick, the TSA considers it a solid, not a liquid or gel, which means it's allowed in both carry-on and checked baggage. However, there are some restrictions to keep in mind.

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