Microwave and freezer-safe, non-wrap containers made in Japan. A 3-piece set from Mino ware. - Product Name: Non-wrap containers - Heat resistance: Up to 140°C - Cold resistance: Down to -30°C - Made in: Japan Sizes... Approximately 16cm diameter, approximately 13cm diameter, approximately 11cm diameter No need for plastic wrap, microwave-safe with the lid on. Refrigerator ⇒ Microwave ⇒ Table Very convenient dishes. Although new and unused, they have been stored for a long time. There are two sets available.