This product is a convenient item for portioning and freezing side dishes for bento boxes in cups. 《Key Features and Usage》 【Portioning and Storage】 You can portion leftover side dishes into cups and store them in the case in the freezer. 【Time-Saving】 You can take out only the amount you need from the case and put it directly into your bento box, saving time on busy mornings. 【Size Variations】 The item in the image is compatible with "size 6" cups. There are also variations for size 8 and other sizes to suit different needs. 【Stackable】 The case is designed to be stackable, allowing you to effectively utilize space in your freezer. This is an unused item, but it has been stored at home. It has been cleaned. Thank you for looking.