How many 3 oz bottles can I take on a plane?
Each passenger is allowed 3.4 oz. or less of liquid, aerosol or gel in as many bottles as will fit in a 1-quart clear zip bag. (Three-ounce bottles, one bag, 1 quart = 3-1-1.) Pack non-essential fluid items of more than 3.4 oz. in your checked luggage.