MAGSHIELD ACCESS - Durable and powerful magnets create an ultra leak-resistant shield that stays open when you need it and snaps closed with a gentle push. DRYHIDE SHELL - High-density fabric withstands punctures and UV rays. To help extend the life of the cooler, both the interior and exterior materials are treated to be mildew resistant. HITCHPOINT GRID - Securely attach your SideKick Dry Gear Case or load it up with zingers, nippers, bottle openers, and multitools. COLDCELL INSULATION - Closed-cell foam offers impressive cold-holding capabilities, helping keep your frosty goods ice cold. LEAKPROOF LINER - RF welding used to eliminate stitching and provide leakproof seams in the interior liner.