Fantasia Lighting: Top Grade Natural Himalayan Mushroom Shape Salt Lamp with Dimmer Switch, Crafted Wood Base, UL Certified Cord and Bulb - Food Grade Salt for Maximum Ionic Air Purifying Benefits The Fantasia Brand of salt lamps are the best choice for quality and beauty! Fantasia's master craftsmen have decades of experience hand carving every detail in both the crystal rock salt lamps and artisan wooden bases. Fantasia uses only top food grade salt which so pure it is approved by the US FDA for human consumption. This salt purity found in the Fantasia brand leads to superior air purification through the ionization process! Fantasia includes a premium UL approved cord with a dimmer switch and high powered bulb. With a Fantasia lamp you can adjust the vibrance to display the perfect warm amber glow and create your ideal soothing environment for peace and tranquility! Fantasia is an industry leader and a brand known worldwide for exceptional quality and value. A Proud USA Company!