3-1-1 for Carry Ons

3-1-1 TSA Brochure

The Secretary of the Department of Homeland Security has determined that there is a high risk of terrorism against U.S. civil aviation, and the need for extra restrictions to assure the security of air travel. 

Liquids, Gels & Aerosols

  • Liquids, gels, and/or aerosols exceeding 3.4 oz./100ml per container may not be carried through the passenger screening checkpoint.
  • Passengers may carry liquids, gels and/or aerosols in travel size containers (3.4 oz./100 ml) capacity or less per container if the items are placed inside a clear transparent resealable 1 quart (1 liter) size plastic bag. The contents of the plastic bag must fit comfortably and the plastic bag must be completely closed/sealed and subjected to x-ray inspection separate from the passenger's carry-on bag. Passengers are limited to one quart-size bag per person.
  • Passengers may have the items listed below, but you must declare them to TSA at the screening checkpoint if they are not contained in a clear transparent resealable 1 quart (1 liter) size plastic bag and/or are over 3.4 oz. (100ml).
  • Baby formula/milk (to include breast milk) and baby food/juice in containers if a baby or small child is traveling
  • Medications (liquid, gels, and/or aerosol)
  • Liquids (to include juice) or gels for diabetic or other medical needs All other liquids, gels, and/or aerosols may be transported in checked baggage.


Passengers may be subjected to secondary screening if they enter the screening checkpoint with liquids, gels and/or aerosols on their person or in carry-on bags. Liquids (including beverages), gels, and/or aerosols purchased in the sterile area may be carried on board the aircraft.