Keep your drinks hot or cold longer with the Thermos Vacuum Insulated Double Wall King Travel Tumbler. Constructed with double-wall vacuum insulation for promoting maximum temperature retention, hot or cold. This travel tumbler features a durable stainless steel interior and exterior. It is safe around yourself or little ones as it is cool to the touch with hot liquids and sweat-proof with cold. It has a high level of versatility, and it fits most automobile cup holders. It helps keep your beverage hot for seven hours or cold for eighteen hours to help it last throughout your extended day. The Thermos Vacuum Insulated Travel Tumbler makes for a terrific way to transport your beverage from your home to the office. Use it to transport your drink from your dorm room to the classroom as well. Perfect for your outdoor adventures, as it will keep your beverage at the perfect temperature, and you won’t have to throw it out later. This tumbler is top-rack dishwasher safe. But hand washing is recommended as the dishwasher uses harsher detergents and hot water that may affect the appearance of your product. MATERIAL: Stainless Steel. CAPACITY: 16 Ounces. COLOR: Midnight Blue.