Coaster Cup Warmer

The Coaster Cup Warmer has a natural walnut wood grain with a smooth touch. This cup warming mat is made of high quality walnut wood & metal materials. It heats evenly, safe & it's durable to use. It is powered by all devices with a 5V USB output, such as your computer, desktop, laptop, tablet, mobile power supply, etc. It's easy & practical, ideal for use at home & in the office. Don't let your coffee, tea or other hot drink go cold keep it warm up with our cup warmer.