Made of ceramic stoneware. Use with wax tarts, wax cubes, scented oils, soy beads, potpurri and more by using the top dish. You can also remove the top dish and place a jar candle directly on the metal warming plate to use as a candle jar warmer; Can be used as a coffee mug warmer. Has a red light on the back of the warmer to let you know when it is on. Designed with a saying to add meaning as a gift or home decor item. 110V electric plug in outlet.