YETI Hopper Flip 18 Cool Bag, Portable & Insulated Backpack Cooler, King Crab

HYDROLOK ZIPPER - Our YETI- tough, 100% leakproof, and high performance zipper. COLDCELL INSULATION - Closed-cell rubber foam offers far superior cold-holding to ordinary soft coolers. DRYHIDE SHELL - Our DryHide Shell is made from a high-density fabric that withstands punctures and UV rays. Both the interior and exterior materials are also treated to be mildew resistant - extending the life of your cooler. WIDE MOUTH OPENING - Allows easy access and visibility to your contents. The Hopper Flip 8 can hold 11 cans (only), the Hopper Flip 12 can hold 24 cans (only), and the Hopper Flip 18 can hold 30 cans (only).