I am selling this item because I have kept it at home without using it since I purchased it. The following is quoted from the sales website. Product Details Size Outer dimensions: Approximately W290 x D220 x H48mm (bottom dimensions approximately W260 x D160mm) Inner dimensions: Approximately W280 x D180 x H40mm (bottom dimensions approximately W250 x D153mm) Weight Approximately 1054g Material Heat-resistant ceramic (black clay fire-resistant clay) Recommended internal dimensions Height: 60mm or more (※ Height from the bottom of the bake pan to the contact surface) Width and depth: 280x215mm or more ※ Please check if the size fits with some room. Specifications [Compatible heat sources] Gas fire (direct fire), oven, toaster, microwave ※ Not compatible with IH induction cookers. Country of origin Japan