There are few things as un‘bear’able as a lukewarm coffee! Stay comfortably caffeinated throughout the day with the help of this cute cub. Doubling as a coaster, this cup warmer is powered by USB and is sure to brighten up your desk. * USB Powered * Sleepy Bear won’t heat up your drink but it will assist in helping to keep it warmer for longer * Works best with a flat bottom mug * Also makes a great coaster * Makes a great unusual gift