150 ml Liquid Bottles on a Plane: Checkpoint Rules
Volume & Exemption Status
150 ml (5.1 fl oz) — Exceeds 100 ml Limit
Governed by international 100 ml (3.4 fl oz) LAGs regulations
💧 3-1-1 liquids rule checker
One quart-size (≈1 L) bag per passenger; every container must be 3.4 oz (100 ml) or less.
Fit is approximate — container shape decides real-world packing. Medically necessary liquids and infant food are exempt: declare them. Packing a whole bag? Plan it container by container →
TSA & Aviation Security Rule Summary
A 150 ml container exceeds the 100 ml threshold. TSA and CATSA screeners judge liquid volume by the container printed capacity, not the remaining fluid inside. Must be checked.
Related Verified Products
Deep dive: The 3-1-1 liquids rule explained
Read what counts as a liquid, gel, aerosol, or paste at airport security.
Frequently Asked Questions
What if my 150 ml bottle is half empty?
It will still be confiscated. Security rules prohibit containers manufactured with a capacity over 100 ml regardless of contents.