The new design back pack is here with 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. We've 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: 15" x 6" x 16".