WBM 7-1/2-Inch Wide and 6-1/7-Inch Tall Round Basket Lamp filled with Himalayan Natural Crystal Salt Chuncks Chuncks are made of natural salt crystal from the himalayan mountains Basket is made of wire intertwined Works as an air purifier by emitting negative ions into the air and light therapy to reduce stress and increase energy Comes with 15-watt bulb, on/off switch and 6-feet electric cord Ul-listed (complete lamp)