This line of glass is premium, heirloom quality glass. Glass shades are shaped using a process patented. This Wilclay 1-Light Unique / Statement Bulk Pendant is a stunningly beautiful hand rolled sheet glass. This radiance pendant lights are made in the USA of handcrafted glass using a process patented. The remarkably saturated hues can be ordered in a variety of glass colors. All their products are UL certified and 120 volts.