Nomads Himalayan Salt Lamp,Natural Himalayan Salt Crystal Rock on Wood Base with UL Listed Dimmer Cord and 15W Light Bulb 100% Authentic and Handcrafted Salt Rock from The Salt Mines of Himalaya Mountains.Your Salt Rock is Roughly 250 million Years Old,Meaning They Were Deposited Long Before The Earth Became Polluted With Heavy Metals,Pesticides and PCBs. Natural Air Ionizer and purifier.Good with Allergy,Asthma,Bronchitis and Sinus Problems Maintenance free and easy to clean with damp sponge.Already Anti-microbial. Perfectly Safe .It will never catch on fire.The heat of the lamp dissipates into the salt so the outside stays cool to touch.It can be on all the time.Perfect for all kind of spaces.Bedroom,living room,kids room,TV room,office,Spa or others. Amazing Therapeutic Glow.Very soothing and calming.Wonderful natural amber color will reduce your stress.