We make our own crushed tempered glass in our Pottery Perfection Studio. This glass is perfect for a multitude of arts and crafts projects. The glass is available in 8 oz, fine, medium, and coarse grit. You can choose from clear glass to a variety of 15 colors. NOTE: our colorered glass is made to order and may have slight shade variations. Please allow 3 to 5 days for us to color and ship your glass.