Coffee Mug 1pcs 304 Stainless Steel Double Layer Inner Lining Drop-proof and Scald-proof Product Name: Coffee Mug Product Capacity: 80ml Product Size: 4.2x4.2x6cm Product Features: 1.304 Stainless Steel Inner Lining, non-rust and corrosion-resistant, and more peace of mind in contact with food . 2. One-piece molding process, easy to clean. 3. Cup mouth widening design, smooth touch, rest assured use. 4. Round cup bottom, placed firmly, close to the desktop, not easy to pour.