The YETI Hopper M12 Backpack Soft Cooler helps keep your drinks cold and at your fingertips with its durable magnetic closure and wide mouth opening. Made for comfort, this backpack cooler is designed to fit wine bottles and can carry up to 20 cans of your favorite beverage.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 pushColdcell insulation – closed-cell foam offers impressive cold-holding capabilities, helping keep your frosty goods ice coldTo help extend the life of the cooler, both the interior and exterior materials are treated to be mildew resistantLeakproof liner RF – welding used to eliminate stitching and provide leakproof seams in the interior linerDryhide shell – high density fabric withstands punctures and UV rays