Upvote:3
As Nate correctly points out in this answer, the volume of each individual container must be ≤ 100ml (3.4 fl.oz.). This raises the question of what is the total volume of liquids/gels you can carry on board? Because the volume of the bag is approximately 1000ml (≃ 34 fl.oz. ≃ 1 quart), one could easily think this is the maximum allowed volume. However, since containers rarely tessellate due to their irregular, dissimilar shapes, and because the containers themselves take up space, the actual maximum volume you can carry will equate to less than 1000ml. Therefore the answer is you can carry as many ≤ 100ml containers as you can fit in the bag, so that the bag closes correctly.
United also mentions this in their Carry-on Bag Policy webpage:
The Transportation Security Administration (TSA) allows each traveler to carry on liquids, gels and aerosols in containers of 3.4 ounces (100 mL) or less, inside a single quart-size (liter-size) clear, sealable bag.
It is worthy to note that passengers on international flights connecting through the us, are allowed to carry on-board liquids in containers of volume > 100ml if they meet the following conditions, quoted from the TSA 3-1-1 Liquids Rule Webpage:
- they are in transparent containers;
- you bought them at a duty-free shop, and
- the store packed them in a secure, tamper-evident bag
Upvote:8
See http://www.tsa.gov/traveler-information/3-1-1-liquids-rule for rules about liquids when flying within the US. (The rules are set by the government, so it's irrelevant what airline you are flying.)
Liquids in containers of volume up to 100 ml each are generally allowed, so they should be fine. You will have to take out these items, as well as any other liquids, gels, aerosols, creams or pastes in your purse or carryon luggage, and put them in a quart-size plastic bag.
You are only allowed as much liquids as will fit in the plastic bag, so if any of your items has an unusually bulky container, or you have a lot of other liquids in your carryon, you may have to put something in your checked luggage, or leave it at home.
If your flight starts outside the US, the rules may be somewhat different, as the TSA only handles airport security within the US.