The New design Back Pack is here... AO added extra thick padded backstraps, extra pockets and a Chest clip,making this great cooler even better. Fits carry on regulations for all airlines. The perfect cooler to take on vacation. Weve been testing the cooler and it works like a charm. You are going to love this cooler.. Holds 18 Cans plus 7lbs of ice. Dimensions: 15in x 6in x 16in.