# Does this bottle fit the rule?

Liquid-screening decision tree that routes possible exceptions to official guidance before checking ordinary container size and the quart-size bag requirement.

AI / UNTANGLED

02 / 10

/decisiontree

Does this bottle fit the rule?

A routing guide to TSA liquid screening information

First: possible exception?

Medication, child nourishment or inbound duty-free?

YES

Use exception guidance

Check the relevant official

conditions and screening rules.

NO / ordinary liquid

Container at most

3.4 oz / 100 mL?

YES

NO

Ordinary carry-on liquids

Fit in a quart-size bag. Other item restrictions and

screening still apply.

Larger ordinary containers

Pack in checked baggage if the item is otherwise

allowed.

Routing guidance, not an approval. Items that alarm require additional screening.

Liquid-container routing only; not the complete prohibited-items policy.

Source: Transportation Security Administration | Retrieved October 31, 2026

https://www.tsa.gov/travel/security-screening/liquids-aerosols-gels-rule

Original AI Untangled educational visual • Source-based example • Not an official agency graphic

[Official source](https://www.tsa.gov/travel/security-screening/liquids-aerosols-gels-rule)