Black 22 oz Bison Tumbler Drinkware providing an authentic wood-like texture

providing an authentic wood-like texture

it's like holding a piece of the aurora borealis in your hands

and emptying your premium rotomolded cooler easier than ever

Designed to redefine the way we transport coolers

holding up to 18 cans of your favorite beverages

Black 22 oz Bison Tumbler Drinkware providing an authentic wood-like texture22 oz Bison Tumbler. Leakproof and adventure ready. (GEN2) Not all tumblers are the same. Take our Bison 22 oz. tumbler for example: we used some of the thickest stainless steel on the market to build it because we wanted a strong, drop resistant tumbler that you could use for years. Vacuum insulated construction keeps liquids cold for 12 hours and hot for up to 6. We finished it with a leak proof lid and powder coated exterior for a steady grip that