1 Piece (Light Wood Grain) USB Coffee Cup Heating Pad, Office Tea Cup Drink Insulation, Office Home Waterproof Glass Heating Pad About This Item 1. HIGH QUALITY: This USB electric beverage warmer is made of only the highest quality materials. This is a placemat with a dark walnut border around the edges. This USB electric drink is insulated and durable. 2. Portable: This USB beverage warmer is about 4 inches wide and can be taken anywhere if needed. 3. Durable: The electric USB beverage warmer is made of aluminum, which means it can be durable. It also has a waterproof surface so you don't have to worry about splashes on your face. 4. The surface of the USB electric beverage warmer is very easy to clean. Simply wipe the surface with a damp cloth. 5. Convenience: The portable USB electric beverage warmer is easy to use. All you have to do is connect it to a USB socket and everything starts working. You can take it wherever you need. It is very useful! Material: iron shell + aluminum sheet (full metal material). Product specifications: D103xH16mm Power: 5W Voltage : 5V Current: 1000mA Power : USB. [Note] This product does not include copper and other products