Fantasia Lighting: #TOP16 - Set of 6 - Top Grade 7" to 8" Natural Himalayan Salt Lamps with Dimmer Switch, Crafted Wood Bases, UL Certified Cords and Bulbs - Maximum Ionic Air Purifying Benefits The Fantasia Brand of salt lamps are the best choice for quality and beauty! 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's master craftsmen have decades of experience hand carving every detail in both the lamps and wooden bases for unsurpassed beauty. Fantasia is an industry leader and a brand known worldwide for exceptional quality and value. A Proud USA Company!