SPECS: Holds up to 20 cans or 6 750 ml bottles with ice Capacity: 25 L Dimensions: 12 in. x 11 in. x 13 in. Weight: 4.5 lbs. TECHNOLOGY: Bowhead Top(TM) opens wide and stays that way so you can get what you want, hassle-free Waterproof PakShield(TM) top zipper MuleSkinET(TM), an exceptionally sturdy exterior fabric, is combined with MuleSkinEV(TM) a tough interior layer, to create a rugged shell that protects against the elements PolarPlus(TM) insulation for 48 hours ice retention The IM AirValve(TM) allows extra air to be added to the insulation layer, which increases the insulating capability. It also allows you to release air so that the cooler can roll up for storage FEATURES: Soft cooler is ergonomically designed to be carried on your back like a premium backpack Compact and portable Double-padded straps Floats while keeping water out