Yeti Rambler Bottle Chug Cap - Its classic spout allows for speedy gulps, plus it's shatter-resistant and dishwasher safe, like the rest of the YETI Rambler accessories. And while your friends don't need to chant “chug” as you drink from the Chug Cap, we certainly don't think it hurts to add to the experience. Shatter-resistantDishwasher Safe