This is glass for fusing. Coefficient of expansion: 90 Approximately 8cm x 20cm, thickness 2mm The glass is in its cut state. Please handle with care. There may be bubbles or distortions, but these are not defects. The color on the screen may differ slightly from the actual color, but as this is a single item, returns and exchanges are not accepted. Thank you for your understanding. #stainedglass #coloredglass #fusing