☆ Thank you for viewing! ☆ SMART FLAP Square Food storage containers for portioning, made in Japan ☆ 150ml x 5 pieces x 2 sets, unopened ☆ 400ml x 3 pieces, opened but unused ※ Microwave safe with the valve open and lid on (up to 140°C) ※ Freezer safe (-20°C ~) Lustroware Iwasaki Industry Co., Ltd. I'm selling these because I no longer have a use for them. Please consider using them! #SMART_FLAP_Square #SmartFlapSquare #SmartFlapSquareStorageContainers #FoodStorageContainersForPortioning #LustrowareStorageContainers #LustrowareFoodStorageContainers