The Thermos Stainless King Vacuum-Insulated Drink Bottle, 710ml (Silver) is the ideal choice for people on the go. It is built to last and loaded with features to make for a more enjoyable drinking experience. Thermos vacuum insulation technology virtually eliminates temperature change within the beverage container by creating an airless space between 2 stainless steel walls. The result is an insulation layer that performs any other. A superior insulated container you can depend on to keep your beverages hotter, colder, fresher, longer. This bottle is perfect for all day beverage enjoyment as it keeps beverages hot for 12 hours or cold for 24, making it a great choice wherever life's adventures may take you.