This glow-in-the-dark color Yellow will be a bright, luminescent addition to any art glass. CBS has partnered with Earth Glow, Inc. to bring you the highest quality pigment currently on the market, for the most reasonable cost. This is a 100% glow pigment and has not been diluted with any glass powders or fillers, making this the go-to glow pigment for every artist, and works with ANY COE, and can be used in glass blowing, fusing, casting, lamp working and even borosilicate artwork.