Chris-Wang Portable&Leak Proof Slim Stainless Steel Vacumn Sports Water Bottle Flask for Healthy Drinking, with Black Paper Sleeve, Great Gift Idea, 9 Colors Available(280ML) The bottle inner is made of 18/8 304 food quality stainless steel, which is known as a kind of healthy material With a stylishly thin profile and leak-proof design Double wall vaccum flask keeps your drink hot for 12 hours or cold for 24 hours Measures height 9.84-inches by Dia. 1.57-inches; holds 280ml of liquid Package included: 1 thermos with black sleeve