Jazmin Li
Liquids, gels, creams, aerosols, and pastes are allowed at airport security checkpoints if they are in containers that are 3.4 ounces (100 milliliters) or less. All containers must fit in a clear, resealable plastic bag with a capacity of no more than one liter. This includes duty-free liquids purchased internationally, as long as they are in a secure, tamper-evident bag. Liquids over 100ml must be packed in checked baggage. However, there are some exceptions for baby food and drinks, prescription medicines, and essential non-prescription medicines.
| Characteristics | Values |
|---|---|
| Container size | 3.4 ounces (100ml) or less per item |
| Container type | Travel-sized |
| Bag size | Quart-sized |
| Bag type | Clear, resealable plastic |
| Bag quantity | One bag per passenger |
| Exemptions | Baby food/drink, breast milk, prescription medicines, essential non-prescription medicines, COVID-19 test kits, duty-free liquids |
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What You'll Learn
Liquids, aerosols, gels, creams and pastes
Liquids, aerosols, gels, creams, and pastes are allowed in carry-on luggage, but only in small quantities. The containers for these items must be no larger than 3.4 ounces (100ml) or less per item. All of these containers must fit into a clear, quart-sized, resealable plastic bag with a capacity of up to 1 litre. Only one bag per passenger is allowed.
Any liquid, aerosol, gel, cream, or paste that is over 3.4 ounces or 100ml should be packed in your checked baggage. This includes beverages, which must be consumed or discarded before reaching the security checkpoint.
There are some exceptions to the rules for liquids, aerosols, gels, creams, and pastes. For example, duty-free liquids purchased internationally can be carried in your hand luggage if they are in a secure, tamper-evident bag. Additionally, baby food and drink, as well as prescription and essential non-prescription medicines, are allowed in quantities greater than 100ml. Solid food with less than 100ml of liquid, such as canned tuna, is also permitted.
It is important to note that the final decision on whether an item is allowed through the checkpoint rests with the TSA officer. Properly packing liquids, aerosols, gels, creams, and pastes can help facilitate the screening process and make your travel experience smoother.
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Exemptions for medicines and baby food
Exemptions for medicines
Medicines in liquid form are allowed in carry-on bags in excess of 3.4 ounces or 100ml. However, you must inform the officer that you are carrying medically necessary liquids at the start of the screening process. These liquids will be subject to additional screening and may include opening the container. Medication in pill or solid form can be carried in unlimited quantities as long as it is screened. It is highly recommended that medication be placed in carry-on baggage to ensure immediate access. It is also advisable to carry medicines in their original, labelled containers. While rules vary by country, many countries allow a 30-day supply of certain medicines and require travellers to carry a prescription or a medical certificate from their healthcare provider.
Exemptions for baby food
Baby food is allowed in reasonable quantities in carry-on bags. These items must be removed from carry-on bags and screened separately.
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Liquids in duty-free and checked baggage
Liquids in duty-free bags are subject to specific rules and restrictions. Generally, liquids in carry-on baggage must be in containers no larger than 3.4 ounces (100ml) or less per item. These must be placed in a single quart-sized, clear, and resealable plastic bag. Liquids include items such as shampoo, face wash, sunscreen, toothpaste, and hairspray, and food items like yogurt, pudding, and jam.
However, an exception exists for liquids purchased at duty-free shops. These liquids can be carried in secure, tamper-evident bags, exceeding 3.4 ounces or 100ml, in your carry-on bag. The bag must be transparent, sealed by the retailer, and show no signs of tampering. Additionally, the original receipt should be presented, indicating the purchase was made within 48 hours.
For checked baggage, larger liquids are typically allowed. Any liquid over 3.4 ounces or 100ml should be packed in checked baggage. This includes beverages, liquor, wine, beer, and even snow globes. Alcoholic beverages are permitted in checked baggage if the alcohol percentage by volume is 70% or less and the quantity does not exceed five litres per person for alcohol between 24% and 70%.
It is important to note that certain items, such as medications and baby food/drink, are exempt from the liquid restrictions and can be brought in quantities greater than 100ml. Additionally, some airports may have specific rules, so it is always advisable to check with the relevant airport and airline before travelling.
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Solid foods with liquid under 100ml
Liquids in containers larger than 3.4 ounces or 100ml must be packed in checked baggage. However, there are some exceptions to this rule. Liquids over 100ml that are purchased at duty-free airport retailers or on board an aircraft can be taken on board as long as they are properly sealed by the cashier in a security tamper-evident bag (STEB) and remain untampered with.
Some airports, including Heathrow Airport, have a policy that permits parents to travel with up to 2 litres of liquid expressed breast milk in transparent containers, even when they are travelling without their baby.
For foods that fall under the liquid or gel category, such as yoghurt, peanut butter, hummus, soups, or sauces, each container must be 100ml or less and fit into a quart-sized resealable plastic bag.
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Liquids in carry-on baggage
Liquids, gels, creams, pastes, aerosols, and even some non-solid foods are restricted to containers of 3.4 ounces (100ml) or less per item for carry-on luggage. This restriction is known as the 3-1-1 rule. All containers must fit into a clear, quart-sized, resealable plastic bag with a capacity of no more than one liter. Only one bag per passenger is permitted. Any liquids that do not meet these limitations will be confiscated.
The 3-1-1 rule was implemented by the Transportation Security Administration (TSA) in 2006 after a plot by al-Qaeda operatives to set off bombs on planes using liquid explosives was foiled. The rule is designed to enhance security and facilitate the screening process.
It is important to note that some items are exempt from the 3-1-1 rule. Duty-free liquids purchased internationally and transported in secure, tamper-evident bags are allowed in carry-on baggage when travelling to the United States with a connecting flight. Additionally, baby food and drink, including milk, formula, water, and juice for infants under two years old, are allowed in quantities exceeding 100ml. Prescription and essential non-prescription medications are also permitted.
While the 3-1-1 rule applies to most liquids, it is important to be mindful of other items that may be restricted. Liquids such as liquor, wine, beer, snow globes, condensed soup, maple syrup, perfume, and lotion are not permitted in carry-on baggage and must be packed in checked luggage or shipped separately. Non-solid foods such as yogurt, pudding, peanut butter, and jam must adhere to the liquid restrictions and be packed in containers of 100ml or less.
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Frequently asked questions
Liquids, gels, creams, aerosols, and pastes are allowed in your carry-on luggage as long as they are in containers that are 3.4 ounces (100ml) or less per item. All containers must fit in one clear, resealable plastic bag with a capacity of no more than 1 liter.
Any liquids larger than 3.4 ounces or 100ml must be packed in your checked baggage.
Yes, certain items such as baby food, breast milk, and prescription medications are allowed in quantities greater than 100ml. Additionally, duty-free liquids purchased internationally can be brought on board in secure, tamper-evident bags.
Liquids that are not properly packed or exceed the limit may be subject to additional screening and may not be allowed through the checkpoint if they trigger an alarm or pose security concerns.
Yes, certain liquids such as flammable substances, sharp objects, and sporting goods are prohibited. Additionally, food items with a high liquid content, such as yogurt and soup, must also adhere to the liquid restrictions.
