Achieve a 3-D Effect! Dynamic, alluring and almost magical, dichroic glass will add a new dimension to your next visual art project! You have to see it to believe it! Glasshopper's rainbow coating is so intense it looks 3-D. Excellent for kiln formed bracelets, jewelry projects, and layered fusing projects of all types. Sold in 4" squares only on standard black glass. 90 COE. Glass colors, pattern and vibrancy will vary from piece to piece. Each piece is unique.