The rough and tumble Thermos 16 oz. Stainless King Insulated Stainless Steel Travel Mug is great for long treks or long road trips, whether to the wilderness or across town. The Stainless King Travel Mug is an extremely durable vacuum insulated mug that holds both hot and cold beverages. It's a dependable, always-at-the-ready product that can be used all year long, in any kind of condition. Your hot drink stays hot while the mug exterior stays cool and your cold drink will not cause sweating. The sealing DrinkLock lid is leak-proof when closed. The sturdy handle makes holding and transporting easy and comfortable. The vacuum insulation provides maximum temperature retention that keeps drinks hot for up to 7 hours or cold for up to 18 hours. The durable double wall stainless steel makes the exterior stays cool to the touch with hot beverages and sweat-proof with cold. The DrinkLock sealing lid is leak-proof when closed and properly assembled. It also features a built-in tea hook that holds tea bags or most loose leaf infusers. Please Note: The finish of these mugs (matte or glossy) may vary depending on availability.