Glass microwave-safe cookware, Ichizenyaki, capable of cooking 0.5 to 1 go (Japanese rice measure) of rice. - Brand: HARIO - Model Name: Ichizenyaki - Capacity: For 0.5 to 1 go - Material: Glass Thank you for viewing. Used approximately 20 times in a year. There are no visible deteriorations or defects, including the silicone packing.