Fine glass frit is a staple for any glass fuser. It has a variety of applications from glass casting to creating fused images on glass. Frit is made from sheets of Uroboros art glass which is crushed, screened, and then packaged in convenient 8.5 oz jars. 96 COE. For just one creative idea using frit, click on "View User Manual" and download a FREE project guide! Glass is opaque. Color shifts upon firing, see image below for example of color full-fused. Colors may vary, depending on firing schedule, rate, atmosphere, and heatwork. For color-sensitive projects, test before use. See additional images for example.