Thank you for viewing! #nonohana's Obi Dome Collection These are handmade glass obi domes created by melting glass with a tabletop burner at a high temperature of 1400 degrees Celsius. The size is approximately 2.1cm in height and 2cm in width. 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.