Description Are You Looking for a Perfect Gift for Your Coworker, Boss, Best Friends, Employee, or Teacher? Give A Unique Gift To Someone Special In Your Life. Our Stainless Steel Mug with Gorgeous Design and Personalized is the Good Idea. A Stainless Steel Tumbler Is A Perfect Gift For Women, Mam, Man, Dad, Coworker, Boss, Best Friends, Employees, and Teachers. The Double-Walled, Vacuum-Insulated Designs Keep Your Cold Drinks Cold 12 Hours And Your Hot Drinks Hot 6 Hours! The inner layer of the cup body is made of high-quality 304 stainless steel, which is environmentally friendly and odorless. The lid is made of PS material with good sealing. The outer layer is made of 201 material. The bottom of the cup is stainless steel and is not afraid of scratches. All parts are BPA/BPS-free. Do not microwave. Do not freeze. Comes with Straw Lid and Flip Lid to prevent leaks,The airtight design presents you with a cup of fragrant hot tea during your tired travel! Note:1. Add boiling water to the cup. Do not use a straw when drinking to prevent burns. Keep hot liquids out of the reach of children 2. When adding boiling water into the cup, it should not be too full to prevent overflow and burns. 3. Avoid the deformation of the cup body caused by falling, collision or strong impact, which will affect the efficacy of the product. 4. Avoid direct heating or place at high temperature. It is strictly forbidden to heat the product in an open flame, microwave oven, induction cooker, and dishwasher. 5. Wash with water. Do not soak in water for a long time (no more than 30 minutes) during cleaning, which may cause the printing to fall off. Dishwasher washing is not recommended. Do not use detergents containing alcohol. Do not use hard objects to scrape or rub the surface image of the cup, otherwise it will cause the image on the cup to fall off. 7. After filling in perishable beverages such as milk, please drink it as soon as possible and wash it to avoid spoilage.