Made from crushed, screened, and magnetically cleaned Bullseye Compatible sheet glass. Frits are versatile and can be used in: Pate de verre and kilncasting, kilnforming, including glass sketch and painting with light techniques and torchworking and blowing, to create colors and patterns on surfaces. Reading the Color Swatches The color of the frit in its unfired and fired states may differ greatly. Please refer to the second image to get a sense of the approximate fired color. In application, color saturation may vary. Thin layers may be lighter in color. Thicker layers may be darker and more saturated in color.