Adopted USB design, just place the teacup or coffee cup that needs to be heated on this warmer pad and then plug it in to a USB outlet and it will start to work. With a variety of cartoon animal patterns, this cup warmer pad can not only be used to heat your cup, but also can be used to decorate your desktop. It is made of high quality silicone material. The surface on this mug warmer is very easy to clean. All you need to do is use a wet cloth to wipe down the surface. The diameter of this product is 9cm and USB cable length is 130cm. This product is perfectly suitable for home, household, dorm, office, etc. Item Name: Mug Warmer Mat Material: Silicone Voltage: 5V1A Color: Red, Blue, Yellow Heating Temperature: 50 degrees Celsius Features: Eye-catching, Compact, Cartoon Pattern Size Details: Diameter: 9cm/3.54" (Approx.) USB Cable Length: 130cm/51.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Mug Warmer Mat Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin