Bullseye frits are made from crushed, screen printed and magnetically cleaned sheet glass. Thick frit shape, packed in a 1 pound wide mouth. Jar. 90 COE. Frits can be used in hot glass work such as light painting, pate de verre and kiln casting, to name just a few of the many techniques that make these versatile little beads possible. All Bullseye, Frit and Confetti strings are mixable for a quantity discount. The image below shows the product packaging. The image below shows an example of what the Bullseye coarse frit looks like before and after firing.