It's good to have one. This is a multi-case that can be used as a passbook case, medical record case, or mother and child health handbook case. #Kotatsu Fabric Goods Rabbits, dogs, bears, birds, etc. This is a cute fabric that is full of retro cuteness and evokes a sense of nostalgia. There are pockets inside for cards. The size (when closed) is approximately 21cm long x 15cm wide. Each one is carefully made with care. How about a small gift? I have other items for sale, so please take a look if you like. We ask that those who understand that these are handmade purchase them. #Passbook Case #Medical Record Case #Mother and Child Health Handbook Case #Multi-Case #Honey Tune