Equivalent transparency and refractive index to crystal glass. 250 times the strength and impact resistance of glass. A material with high transparency, brilliance, and strength, this is a dome-shaped cover made of Japanese-made polycarbonate. *Includes shipping via Rakuraku Mercari Bin (Yamato Transport) It was planned to be used in a model room, but it was ultimately stored without being used. It has been opened once for this photoshoot, so there may be minor scratches. Please understand that this is a used item. - Model Name: DOME M - Material: Polycarbonate - Size: Φ28×H22.5cm - Brand Name: CLAY 【Polycarbonate】 * The light transmittance and refractive index are equivalent to crystal glass, making it a material with high transparency and brilliance. * It has 250 times the strength of glass and excellent impact resistance, making it hard to break and lightweight for easy portability. * It is resistant to high and low temperatures and has excellent heat resistance. (Heat and cold resistance: approximately -30°C to 120°C) Thank you for viewing. We will ship via Rakuraku Mercari Bin with tracking. The price includes shipping. Please refrain from price negotiations.