Engel Coolers High Performance ENG65 Roto-Molded Cooler Holds ice for up to 10 days Best in class ice retention and overall performance with 2 inches of polyurethane insulation all round IGBC certified bear resistant container - molded on rear lid of cooler Durable seamless rotationally-molded construction - same as a whitewater kayaks Silicone airtight gaskets, marine grade compression latches and UV-Resistant Contruction