This is a lid compatible with Asahi Kasei's Wide Oven, All-Pan (S), and Super Dinner Pan (S). It should also fit other pots with a diameter of 22cm. It can also be used in the microwave as a substitute for plastic wrap. Heat resistance: 230°C Cold resistance: -20°C To save on shipping costs, it will be sent in simple packaging without a box. Please purchase if you understand that this is a home-stored item.