1-piece roto-molded construction makes cooler armored to the core and virtually indestructible. PermaFrost insulation is pressure-injected commercial-grade polyurethane foam in the walls and lid. InterLock Lid System enables lid to interlock with cooler body. NeverFail Hinge System includes a full-length, integrated hinge that is self-stopping and will not break. Features: T-Rex lid latches with molded-in keepers, Fatwall design extra thick walls, UV resistant body, Bearfoot nonslip feet, Vortex drain system, and molded-in tie down slots. DoubleHaul handles with textured grips and military grade nylon rope make carrying a loaded cooler easier for 2 people, and integrated LipGrip handles make for easier solo carrying. No Sweat design keeps it dry on the outside. Dry ice compatible. Can count based on 2:1 ratio ice to cans by volume. 5-year warranty.