YETI Hopper TWO  Portable Cooler The YETI Hopper Two 30 is the first 100% leakproof, portable cooler thats built for the long haul and can keep ice for days The updated design of the Hopper Two means your contents go in (and out) more easily A tapered body makes extended hauling more comfortable. Inside(inches) : 9  14  17 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. Empty weight is 5.5 pounds