Diffuser set with a stoneware container with a lid, lava stones, and a bottle of scented oil. Add a few drops of the oil to the lava stones for a rich aroma of smoky incense, spicy cardamom, and warm cedar. It's like a comforting embrace after a busy day. Height 2 3/4 in. Diameter approx. 6 1/4 in. Capacity 0.51 oz.