tokidoki X Hello Kitty Stainless Steel Mug Polypropylene, stainless steel interior. BPA free. 15 fl.oz. (450 ml) Size approx: H 6.75 inch X L 3.5 inch X W 5 inch Heat resistant to: 176F (80C); cold resistant to: 32F (0C) Screw on lid with silicone flip top lid. Non slip base. This product is not microwave or dishwasher safe