Allowed Contents in Cabin Luggage: Approved Products and Quantities for Carry-Ons
Airplane Liquids: An Uncomplicated Guide
Jetting off and unsure about what liquids you can carry on in your cabin bag? This post has your back! Learn the ins and outs of the 3-1-1 rule and keep your vacation stress-free.
By Léa Boluze - Web Editor Last updated on
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Contents
- What are the ground rules for liquids on airplanes?
- What's the scoop on the 3-1-1 rule?
- So, what liquids can I bring in my carry-on?
- What's considered a liquid according to the authorities?
- Exceptions to the 3-1-1 rule
- Travel smarter with these tips
What's the lowdown on liquids on airplanes?
Ever wondered why there are strict rules around liquids when flying? Well, these regulations are all about keeping our skies safe. Your carry-on and checked bags undergo careful security checks to ensure the safety of all travelers.
What's the story on the 3-1-1 rule?
The 3-1-1 rule is the TSA's (Transportation Security Administration) highway to fly, pertaining to the quantity and size of liquids you can carry in your cabin bag. Here's the breakdown:
- Each traveler is allowed one transparent, quart-sized zip-top bag.
- Each container within that bag must hold no more than 3.4 ounces (100 milliliters).
'Crazy easy, right? Now, let's check out which liquids abide by these standards.
What liquids can I bring on the plane?
Liquids, Gels, Aerosols, Creams, and Pastes
The 3-1-1 rule applies to a multitude of items, including:
- Shampoo
- Toothpaste
- Cosmetics
- Perfume
- Liquid medications
- Mousses
- Deodorants
- Aerosol liquids
Some products have a creamy or pastel-like consistency; cough peanut butter cough. Due to this, they are classified as liquids and must adhere to the 3-1-1 rule.
Exceptions to the 3-1-1 rule
The TSA has recently announced exemptions to the 3-1-1 rule, but the specifics vary and are not universally detailed across all sources[4].
Travel Smarter
Pack Wisely
- Use a quart-sized zip-top bag to hold all your liquids and gels.
- Ensure all containers fit within this bag.
Security Screening
- Present your quart-sized bag separately during security screening.
In 2025, the TSA is enforcing the 3-1-1 rule with a big tooth fairy wave (zero tolerance), meaning any items bigger than 3.4 ounces will be confiscated[1].
As the TSA relaxes rules on certain items due to advanced CT scanners, we'll see smarter changes to come[4]. Happy travels!
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