Waterproof DesignThis warmer coaster is made of high-quality materials and has a waterproof design, no need to worry about the safety of accidental splashing water or splashing on the heating plate.Easy to UsePowered by any device with an output port, such as your computer, desktop, laptop, tablet, power bank, etc., simple and convenient to use.Easy for CleaningJust wipe the coffee mug warmer gently with a wet paper towel to clean the appearance of the cup warmer and it will be as clean as new.Convenient USBAll you have to do is plug it into a USB socket and the drink warmer for desk will start working. You can take it anywhere you need. So convenient!Perfect GiftThis coffee mug warmer will be your perfect gift choice to express your care to your family, lover or friends on Thanksgiving, Valentine's Day, Christmas or other special occasions.Features:Product name: Coffee Mug WarmerProduct material: ABSProduct packaging: carton boxProduct size: 13*10*2cmProduct color: green blue pinkApplicable: Indoor study, bookcase, etc.Function: constant temperatureNotice:Due to different lighting and screen settings, the item color may be slightly different from the picture.Due to different manual measurements, please allow a 1-2cm difference in size.List:1*Coffee Mug Warmer