Thermos Nissan Vacuum Insulated Stainless Steel 14 Oz. Leak-Proof Travel Mug Thermax double wall vacuum insulation locks in temperature to preserve flavor and freshness Unbreakable 18/8 stainless-steel interior and exteriorwithstand the demands of everyday use Leak-proof top seals completely for carefree travel and easy enjoyment of your beverage anywhere Contoured body with rubberized handle and grip is comfortable to hold anbd fits most drink holders Mug stays cool to the touch with hot liquids and is condensation-free with cold