When it's made by Thermos®, you know performance comes standard. This Stainless KingTM Drink Bottle is no exception. ThermosTM vacuum insulation technology keeps beverages hot for up to 18 hours, or cold for up to 24 hours. Topped with a push-button lid for easy sipping while on the go. Constructed with double-wall stainless steel that'll keep up with your adventurous life.