In celebration of the 60th anniversary of the announcement of "Gurigura", the 7 series softcover edition has been released with a cotton bag. In addition to being familiar with yellow castella, the first series "Gurtogura", the 7 books born from monthly stories such as "Gurokusa" and "Gurakusa", "Gurokai Saiyu", and "Guraka" are made into a lightweight paperbag. The original design bag is made of 100% cotton and has a large capacity to hold B4 size securely. This bag is great for use as a picture book bag, as well as a garden bag or as a mommy bag. You can put 7 soft covers in your bag and go out. Enjoy the world of enjoying your life every season.