THERMOS Stainless King Vacuum-Insulated Travel Tumbler, 16 Ounce, Midnight Blue – STAYS HOT OR COLD: THERMOS vacuum insulation technology for maximum temperature retention of hot or cold beverages; Keeps your morning coffee or tea hot for up to 7 hours and iced drinks cold for up to 18 hours – EXTREMELY DURABLE: High quality 18/8 stainless steel construction is dependable any time of the year for long treks or road trips to the wilderness or across town. – SWEAT-PROOF: Exterior stays cools to the touch with hot beverages and sweat-proof with cold; THERMOS brand mugs are dishwasher safe, top rack recommended – LEAK-PROOF LID: DrinkLock sealing lid is leak-proof when closed for peace of mind. Features a built-in tea hook that holds tea bags or most loose leaf infusers; Lid design is easy to disassemble and clean – SINCE 1904: THERMOS brand products have been making everyday life better, every time; Hot stays hot; Cold stays cold; Food and drinks stay fresh; The little things go a long way, so do we