Brand new, unused. Made in Japan. Marie Claire microwave containers, set of 4. OK for microwave and freezer use. Can go from freezer to microwave. Received as a gift and stored unused in the box. Product Name: Microwave Container MC-669 Material: Polypropylene Pattern: Rose Blooming Heat Resistance: 140 degrees Celsius Cold Resistance: -20 degrees Celsius Manufacturer: Tamahashi Co., Ltd. -Instructions- * When heating in the microwave, always open the air vent on the container. * The container can be heated directly from the freezer with the lid on. -Important Notes- * Due to the specifications of the microwave container, it is not airtight like a food container. The lids do not have rubber packing from the beginning. Will be shipped without the box. marie claire made in JAPAN