Item Type: Vacuum Insulated BottleMaterial: Inner 304 Stainless Steel, Outer 201 Stainless SteelColor: As Picture ShownApplication: for Drinks, WaterGross Weight: Approx.430g/15.2oz 1Well Designed: Our stainless steel water cup is designed to prevent any temperature change or condensation on the outer layer, ensuring that the cup will never leave stains and you will not burn yourself. 2Double Wall Vacuum Insulation Technology: High tech insulation prevents heat transfer to the outside of the cup, keeping your cold drink cold for almost 24 hours and your hot drink scalding hot for up to 8 hours. 3Easy to Carry: The special shape makes the insulated cup suitable for car cup holder, easy to carry, will not increase the burden or cause additional energy waste. 4304 Stainless Steel: Adopts high quality 304 food grade stainless steel for the inner wall, unbreakable, electropolished on it to ensure your cups will not easy to rust. 5Top Lid Cover Design: Top lid cover design has the function to reduce spatter, able to prevent awkward situations, improving your using experience.