Size: cup used at the time = diameter 7.2 × height 25cm, straight-drink use at the time = diameter 7.2 × 24.8cm Material Material: It is the inner bottle-mouth = stainless steel, barrel = stainless steel (acrylic paint), Cop inner plug-lid = polypropylene, cap = ABS resin, packing = silicone rubber, the bottom plate = thermoplastic elastomers