Himalayan Salt Crystal Lamps ~7 Inches Tall with Bulb and Dimmer Cord - By Yogavni(TM) Having a salt crystal lamp nearby will help your wellness and keep the air around you clean, ionized naturally, and beautiful. When you repose in peace and quiet, a salt crystal lamp near you is known to enhance your meditative experience. Known to reduce asthma attack inside the house and help people with skin cancer regenerate skin cells. Will reduce electro-smog or EMF. Made of natural salt crystal from the himalayan mountains Why Get Multiple Lamps; When buying for the room, read ionization area below. The ambiance these lamps create is just lovely. Each weighs between 3 and 6 lbs.