The YETI Rambler® 14 oz. Mug the toughest camp mug out there. Double-wall vacuum-insulated body protects hands from hot or cold contents while keeping coffee, chili, oatmeal. Like all Rambler Drinkware, the 14 oz. Mug and its lid are dishwasher safe making it easy to clean. The wide opening on the mug means contents are easily accessible but will cool quicker. Its’ a Rambler and it comes with a standard Rambler lid. You can also upgrade to a MagSlider Lid.