Old Spectrum System 96 sheet glass for glass fusing. Spirit Series. OGT continues this series, but it seems to be difficult to obtain, making this glass valuable. It can be used as regular stained glass for panel making and art projects. The surface is smooth, with no texture, a "Smooth S" finish. Color: Purple / Pink / White / Clear, Transparent Surface: S Smooth Size: Approximately 20cm x 30cm Expansion Coefficient: 96 *The color in the photos may differ slightly from the actual product depending on your viewing environment. *Stored at home for a long period. *If you purchase two pieces (two sheets) together, we will discount the shipping and box fee by 300 yen.