Indus Classic, 7 Inch, Rock Salt Crystal Lamps with Electic Cord, Bulb 5~7 Lbs Totally natural, hand-crafted product Varies, in size, shape and color Exceptional quality due to salt seem where rocks are harvested Complies with BS EN 60598-1:2000 including AMD's 1 & 2 and BS EN 60598-2-4:1989 Wiring system is assembled in the USA using all UL approved components