The Yeti Rambler Travel Mug is your on-the-go beverage vessel and is topped with the Rambler Stronghold Lid. This lid easily rotates to fasten for both right-and left-handed users, adding a strong layer between your free-flowing drink and the outside world. With its unique double-wall vacuum insulation, it works great with both cold and hot beverages. -591 ml / 20 oz -Double-wall vacuum insulation -"No Sweat" design -Dishwasher safe