Take hydration head on with Yeti's biggest straw mug ever. From water around the clock to post workout protein shakes, it's your cupholder co-pilot for sips that don't stop on days that don't either. Like all Rambler Drinkware, the mug and lid are dishwasher safe. The Rambler Straw Lids are built to last and have a molded in stopper that holds your straw safely in place. | YETI Rambler Straw Mug | Size 42 oz