YETI Hopper Portable Cooler The YETI Hopper 20 is our ice-for-days portable cooler and is tough as nails so it can be hauled anywhere you want to take it Features a waterproof DryHide Shell and nearly indestructible straps will stand up to an abundance of abuse in the field HydroLok Zipper (a design borrowed from HazMat suits) is completely leakproof, eliminating spills and locking in cold Hauls 20 lbs. of ice, 18 cans of beer, with recommended 2:1 ice-to-contents ratio, or a limit of rainbow trout The Hopper 20 dimensions are 20  in long x 10 1/4 in wide x 13 1/4 in high with an empty weight of 4.1 lbs