Himalayan Salt Lamp - Massage Balls 9" Made of natural salt crystal from the Himalayan Mountains. Works as an air purifier by emitting negative ions into the air and light therapy to reduce stress and increase energy. Helps with natural sinus and congestion relief. Each lamp is individually handcrafted and unique and sits on a beautiful wooden base. Use heated balls for massaging. Due to the natural variations in rock salt, the weight, size, color and shape may vary. Dimensions approximately 7" x 7" x 7". And you thought your lava lamp was cool! Comes with 15-watt bulb, on/off switch and 6-feet electric cord. Ul-listed (complete lamp)