500ml Japanese-made lunch box, perfect for frozen meals. Unused. The package was opened once but immediately put back. No pets, no smokers. OSK - Capacity: 500ml - Quantity: 1 - Made in Japan Thank you for viewing. I wanted to buy a dishwasher-safe one, but this one is not dishwasher-safe, so I am selling it. From the information on Amazon below ↓ OSK Marugoto Frozen Bento Navy 500ml Made in Japan PCL-15 Color: Navy Material: Polypropylene Brand: OSK Size: Approx. 12.4 x 16.1 x 5.5cm Country of origin: Japan Capacity: Approx. 500ml Weight: Approx. 165g With divider Heat resistance: Body, divider, lid, packing, air vent = 140 degrees Celsius, fastener = 100 degrees Celsius Microwave-safe with the lid on. Heating time guide: When thawed, 500W for 3-4 minutes; when frozen, 500W for 4-5 minutes (or use the defrost mode and then heat at 500W) *If the food has little moisture or the amount of food is small, shorten the heating time. *Avoid heating foods with a high oil content. They may overheat. Bento, lunch box, lunch box