Accentuations by Manhattan Comfort Therapeutic Himalayan Salt Lamp Fire Bowl with Loose Natural Rocks, Small, Brown Base Made from Natural Himalayan salt crystals Hand mined in the Himalayan mountains Perfect for office, bedroom, living room and spa settings Round Natural Rock bowl on a round polished wooden base Measures: 4.5in. Length, 4.5in. Depth, 4.5in. Height Heating the salt with the Included Bulb releases negative ions into the air, creating an effect similar to an ionizer, purifying the surrounding air