This is a product from the "hozonbako" (storage box) series, a stationery line by the brand memoroku. These boxes are designed to store memo cards, photos taken with instant cameras, and other similar items. 【Product Overview】 Although the patterns differ, the following URL provides a good reference: https://www.yamazakura.jp/shop/g/g00351301/ Size: 9.6cm (height) x 9.6cm (width) x 1.7cm (depth) per box 【Condition】 All items are unopened.