I used it once, but my motivation for cooking at home disappeared, so I'm selling it. Reference price: 1309 yen (+ 550 yen shipping) https://www.keyuca.com/Form/Product/ProductDetail.aspx?shop=0&pid=3301011&cat=110002001 This is a set of silicone cups that allows you to make side dishes in advance and put them directly into your bento box. On busy mornings, you can make a bento box just by filling it. It can be frozen, so it's also convenient for portioning baby food. With its calm colors, it makes for a stylish bento box. *This is the large 100ml square size. Microwave safe: Yes Cups only, oven safe: Yes Dishwasher safe: Yes Freezer safe: Yes