Thermos Stainless King Travel Tumbler, 470 ml - Midnight Blue. -Thermos vacuum insulation technology for maximum temperature    retention -Keeps hot for 5 hours and cold for 9 hours -Durable stainless steel interior and exterior -Features a DrinkLock sealing lid -50 years manufacturer guarantee 1 x Thermos Stainless King Travel Tumbler - 470 ml, Midnight Blue Size: 21.6 x 9.6 x 9.2 cm