Glass that exhibits different colors in transmitted and reflected light. Sizzle Stix are cut from 1.6mm thin Bullseye Compatible COE90 clear and black glass and dichroic-coated by Coatings By Sandberg (CBS), known for making lasting dichroic coatings that resist burning out at high temperatures. Pre-fired to round the edges and minimize thermal shock in the flame. Great for fusing, lampworking, and beadmaking. Available in Narrow (3mm) and Wide (6mm) widths.