Commercial Grade. Exceptionally featured heavy-duty cooler!The Igloo® Super ToughTM product line is designed to meet the increasing demand for higher performance coolers from heavy-duty users, such as commercial fishermen, hunters and work sites. Every mechanical aspect of coolers and their usage was considered when engineering the best and longest-lasting solutions.Ready identification of "Super Tough" by unique color hits on key features. Bolt-through-body side handles with gasketed heavy-duty back-up plates - won"t pull out even under heavy loads."Hybrid" latch is stainless steel where it matters - in the hinge area - and plastic in the snap area for longer life and secure closure. Specially anchored, "Hybrid" hinges have a stainless steel hinge pin connecting the flexible plastic bodies of the hinges. UV inhibitors guard against sun damage. Threaded drain plug for quick draining and easy cleaning with stainless-steel tether to prevent cap loss - threads are also hose compatible for draining away from area of use. Fully foamed lid for maximum cold retention. Holds ice up to 4 days at 90 ° F. Dual lid straps for even greater lid security. Convenient fish-measuring ruler on lid.3-year manufacturer"s warranty.