The RAMBLER 14 ounce mug by Yeti brings technical ruggedness and detail into the humble drinking vessel, designed especially for outdoor adventures. Kick start your hike in a double wall vacuum insulated body that keeps contents hot and the body safe to touch. It also holds breakfasts and soups, safe with provided lid. 18/8 stainless steel is puncture and rust resistant. The mug is dishwasher-safe.