Interchangeable warmer designed with a frame on the front to change sentiments, write personal notes or place a special photo. Fill any room in your home with luxurious, soothing aroma. Place wax tarts or essential oils in the removable dish; no flame and soot-free residue. Corded plug-in with on/off switch fits most standard electrical outlets. Great size to warm your favorite scent of smaller glass jar candles. Made from ceramic stoneware. Measures 5 x 3.5 x 3.5 inches.