Keep it cool with our 20L Insulated Cooler Backpack! A camping and festival necessity, this waterproof backpack with roll-top closure keeps all your drinks cool in the summer sun. This backpack cooler features adjustable, padded straps to keep you comfortable and hands-free while toting all the cans. Easily wipe the cooler interior clean after a long day of drinking, getting too dirty day hiking, or post-swim wet clothes storage.