Shin-taro Abe's pottery. - Material: Ceramic Thank you for viewing. I have purchased this but have never used it. From the time of purchase, there were cracks throughout. This is not a B-grade item. However, please understand that this is a long-term storage item and is used. Please consider purchasing if you understand this. Diameter: Approximately 18.5 cm #ShintaroAbe #Ceramic #Pottery Thank you very much.