Stylish white ceramic oil dish is a safe and easy alternative to candle based warmers! Just add essential oil to the top dish, plug in the base, and enjoy a roomful of your favorite fragrance. Weight 1.2 lbs. Oil not included. Stoneware. Set: 4 3/4" diameter x 3 3/4" high; warmer: 4 3/4" diameter x 2 3/4" high; oil dish: 4" diameter x 1 1/8" high. UL Recognized