Cooking, serving, and storing in one multifunctional dish CORON. Microwave, oven, and dishwasher-safe. The flat lid can be stacked and used as a plate, and it can also be stored compactly in the refrigerator. The secret lies in the porous heat-resistant clay. CORON made of heat-resistant clay absorbs and regulates moisture during heating, and its excellent heat storage properties make microwave and oven cooking one rank above the rest.