Electric Coffee Warmer 8h Auto Shut Off :The auto-shut off function prevents any possible safety hazard caused by forgetting to shut down.^ Coffee Warmers 2 Temperature settings: The first temperature level is 104 and the high temperature is 140.^ Mug Warmer Coffee Warmer 4.2"" Large Size Base: Oversize base to fit most size cups, mugs, carafes, and bowls. Also suitable for most different mug styles,like stainless steel cup, milk box,glass cup,paper cup,plastic cup and etc.^ Water-resistant Design: Glass waterproof panel without need for security concern for occasional water spill.Easy to use and clean.^ Great gift for your friend and family: Multi-functions makes the Coffee Warmer Mug be a great gift for your friends." Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.