Made of high heat-resistant ceramic, it has excellent heat retention and insulation properties, continuing to heat after the fire is extinguished, softening ingredients and allowing flavors to penetrate. Body, outer lid, inner lid Size: Approximately 23.5cm wide x 20cm deep x 17.5cm high Compatible with gas, oven, and microwave Manufacturer's suggested retail price: 11,000 yen I purchased a set of 2 and have been using one myself, but I have no plans to use this one, so I am putting it up for sale.