SPECS: X-Large holds up to 24 cans Capacity: X-Large- 33 L Dimensions: X-Large- 14 in. x 11 in. x 24 in. TECHNOLOGY: 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 24+ 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: Ergonomically designed to be carried on your back like a premium backpack Two padded straps, a sternum strap, and ventilated back pads make this cooler easy to carry 1000 denier exterior makes cooler durable Welded waterproof seams with no zippers Zipper-free roll-top closure