You can take one clear, quart-sized (or 1-liter) resealable plastic bag of liquids through airport security per passenger, with each container inside the bag being 100 milliliters (3.4 ounces) or smaller; this applies to all international flights and is the standard for major security agencies like the TSA in the United States, and similar rules apply for international travel from other countries like Australia.
Liquids. For most airports, you can only carry liquids, aerosols and gels in containers of 100ml or less when you pass through security. They should all fit into one transparent, re-sealable 20cm x 20cm bag. In total, each customer can carry a maximum of 1,000ml through security.
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.
Any containers larger than 100ml will need to be packed into your check-in baggage or left behind. Partially filled containers larger than 100ml will not be accepted. Place the containers that you want to take in your carry-on baggage into a transparent, resealable plastic bag.
Liquids, gels or aerosols in containers 100 ml / 100 g (3.4 oz.) or less. These containers MUST be placed in one (1) clear, closed and re-sealable plastic bag no larger than 1 litre (1 quart). ONE BAG PER PERSON.
Liquids, Aerosols and Gels (LAGs)
LAGs can only be carried in containers with a maximum capacity of 100 ml. Multiple containers of LAGs can be carried, max up to 1000 ml.
**Sprays**: Aerosol deodorants must also be 100ml or less and placed in a clear plastic bag. **Creams and Gels**: These must follow the 100ml liquid rule as well.
According to the TSA, “You are allowed to bring liquids in containers of 3.4 ounces (100 milliliters) or less.” All these containers must fit into a single quart-sized, clear, resealable plastic 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. Liquids more than 3.4 oz or 100 ml not in a secure, tamper-evident bag must be packed in checked baggage.
Do creams, like concealer and lipstick still count as liquid? And what about lotions and gels? Unfortunately, it's not great news for the over-packers. The Department for Transport defines liquids as “including creams, lotions, oils, perfume, mascara and lip gloss”.
One ziplock bag with liquids only in your hand luggage. Put the second one in your checked luggage if it contains liquids.
Yes, for airport security purposes, toothpaste is classified as a liquid, aerosol, or gel (LAG) and must follow the 100ml/3.4oz container rule in carry-on bags, even though it's a paste that holds its shape. This rule applies to all similar items like creams, gels, and sprays, requiring them to fit in a single, clear, resealable plastic bag for screening.
May I bring liquids and gels in my carry-on? Liquids, gels, and aerosols must be in containers of 3.4 ounces (100 milliliters) or less and placed in one quart-size bag.. You'll need to bring your own quart-size bag, as the TSA does not provide Ziploc bags.
Most airlines allow passengers to bring one carry-on bag and one personal item, such as a backpack, purse, or laptop bag. The backpack must fit under the seat in front of you. Some airlines, particularly budget airlines, may require you to pay an additional fee for a carry-on bag that fits in the overhead compartment.
Passengers may carry upto 5 Liters of alcoholic beverages as part of their checked-in baggage, provided the following conditions are met: The alcoholic beverage is in retail packaging and is packed appropriately (to prevent damage / leakage). Alcohol content in the beverage is not more than 70%.
You can't bring sharp objects (knives, scissors over 4in), weapons, most tools (hammers, drills), firearms, explosives, flammable liquids/aerosols, large lithium batteries, disabling sprays (pepper spray), or large quantities of liquids (over 100ml) in your carry-on; most hazardous materials and large sporting goods are also banned due to security risks, requiring them to be checked.
The Transportation Security Administration (TSA) doesn't ask you to keep your medicines in their original prescription bottles. But each state may have its own rules. If you aren't bringing your medicine in its original bottle, bring a copy of the prescription or a letter from your doctor.
Understand the 100ml rule and how it applies today
At most airports, you can only bring liquids in containers of 100ml or less. These containers must fit inside one transparent, resealable plastic bag (no larger than 20cm x 20cm), with a total capacity of no more than 1 litre.
You can't bring sharp objects (knives, scissors over 4in), weapons, most tools (hammers, drills), firearms, explosives, flammable liquids/aerosols, large lithium batteries, disabling sprays (pepper spray), or large quantities of liquids (over 100ml) in your carry-on; most hazardous materials and large sporting goods are also banned due to security risks, requiring them to be checked.
The most confiscated items at airports are usually everyday items people forget about, primarily oversized liquids, aerosols, and gels (LAGs), along with knives, sharp objects (like scissors, multi-tools), and lighters, due to carry-on restrictions, with firearms also frequently found in checked bags despite strict rules. Batteries (especially lithium) are also common, needing to be in carry-ons, and even items like protein powder can be flagged for extra screening.
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.
Here's the fully updated list of airports that have officially scrapped the 100ml limit as of September 2025:
Passengers can now keep liquids in their hand luggage or cabin bag when flying from the majority of UK airports. While the 100ml limit remains at most airports, there is no longer a requirement to put bottles and containers in a clear plastic bag - or remove them from your bags at security.
Yes, you can bring deodorant on a plane. Stick and solid deodorants are allowed in your carry-on luggage without restrictions. Spray, gel and liquid deodorants over 3.4 ounces need to be packed in your checked baggage.