YETI Rambler 20oz. Collegiate EditionDESCRIPTION: With the Rambler 20 oz. Tumbler, your beverages will stay ice cold or piping hot longer. YETI over engineered these double wall vacuum insulated tumblers with an 18 8 stainless steel body, which means your drink still keeps its temperature no matter how much of a beating this cup takes. Ramblers are BPA free (obviously), have a No Sweat Design to make sure your hands stay dry, and are dishwasher safe. They come standard with YETI