Old Spectrum stained glass sheet. The surface has a water-like ripple, called Water W. The color is a single shade of blue-gray. Perfect for panel making and art projects, this glass is easy to use. Color: Blue-gray, transparent Surface: W Water Size: Approximately 18cm x 28cm * The color in the photos may differ slightly from the actual product depending on your viewing environment. * Long-term storage at home. * For purchases of two pieces (two sheets) together, we will deduct 300 yen from the shipping and box charges.