This is a handmade glass obi fastener created by melting glass with a tabletop burner at a high temperature of 1400 degrees. Purple glass is combined with white glass in a marble pattern. The size is approximately 2.2cm in height and 2.2cm in width. #nonohana's obi fastener list High-quality domestic glass is used for the glass material. Because the glass is glossy and transmits light, the color may differ slightly between the photo and the actual product. Please understand this before purchasing.