The ICEMULE Classic™ Small Cooler has a 10-liter capacity. Featuring no zippers, comfortable strap for crossbody, floats, retains ice for 24 hours, welded seams to prevent leaks and 100% waterproof. A special 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. Built with MuleSkinET™ & MuleSkinEV™ for a rugged tough & sturdy material along with PolarLayer™ Insulation which helps keep your contents nice and cold. The ICEMULE Classic™ Small Cooler is the perfect personal use size.