The ICEMULE Pro™ Large Cooler has a 23-liter capacity and can hold up to 18 cans with and ice. This soft cooler features comfortable straps to carry as a backpack, bungee straps on front to carry additional items you might not want cold, retain ice for over 24 hours, floats, 100% waterproof, no zippers and welded seams to prevent leaking. Created from PolarLayer™ Insulation which helps keep your contents nice and cold along with MuleSkinET™ & MuleSkinEV™ for a rugged tough & sturdy material. An additional amazing feature is the IM Airvalve™ which allows air to be added to the insulation layer for increased insulating capability and also allows you to remove the air for easy storage. The ICEMULE Pro™ Large Cooler is ideal for a day out on the boat or perfect for tailgating before the game.