Join Date: Jan 2010
Location: NYC
Programs: DL DM, UA, AA, SPG Gold, Marriott, HH, Fairmont, NYSC (Passport), 24hrFitness-Super Sport
Posts: 2,197
Aquafresh makes an "Airline-Approved" toothpaste. I can't actually find the volume, but it has lasted for about a week's worth of use with more in the tube.