Always have a perfectly heated drink with Gravette HotMug. This heated mug keeps your drink at the perfect drinking temperature, never getting too hot. Their number one priority is customer safety. The induction heating design ensures heating of the mug without the smart base getting hot. Never come back to a cold coffee again! This beautifully designed 12oz ceramic mug with ceramic lid and aluminum-alloy, sophisticated designed base with exposed engineering details. The intelligent sensor in the base can sense the mug for heating.