Ultratherm insulation in body and lid holds ice up to 7 days at 90Degree F. Lid features an upgraded quick-access hatch with locking knob. Molded fish ruler and tie-down loops on lid for added functionality. Oversized hinges with stay-open detent. Oversized "DuraFlex" latches for secure lid closure. Reinforced comfort grip swing-up handle.s Threaded drain plug with stainless steel tether is garden hose compatible.