Product Description Function: High quality: 500ml double vacuum insulation stainless steel coffee mug, durable, sturdy and durable. electrolysis and drawing, easy to clean, with strong corrosion resistance. Vacuum insulation: The thermal quality of the double-walled vacuum insulation keeps your drinks cold for about 10 hours or hot for 6 hours or more. The insulation also protects your hands from the temperature of the drinks. Features: Safety and convenience: Bpa-free Blu-Ray pp plastic The inside of the lid is a silicone gasket, which has excellent sealing properties to prevent water from leaking out. Easy to clean: Easy to clean thanks to the large opening of the cup, hand washing is recommended, the electropolished inside does not transfer the taste and aftertaste of metal, you don't have to worry Spoil Your Morning Coffee or Afternoon Tea. A perfect design: Classic, elegant and minimalist. Perfect for all kinds of hot and cold drinks, designed for coffee, beer, juice, etc. Fits car cup holders. Package includes: 1* thermo cup Main points: 1. The product size is measured manually, there may be errors 2. As different monitors display different colors, please refer to the actual color you received. 3. Please confirm the size before purchasing.