Bison Coolers 50 QT Cooler50 QUART BISON ALL PURPOSE COOLER (GEN2) You don't want a fragile toolbox, a wimpy pickup truck, or delicate work boots, so why would you settle for an everyday cooler that doesn't hold up? Whether you need a hunting cooler or a tailgating cooler, a rotomolded ice chest from Bison offers lasting durability for any outdoor adventures. With Bison's 50 qt. cooler, there's no need to be gentle when loading or unloading or to add ice every couple of hours.