Thank you for viewing! This is a multi-case that can store various items such as bankbooks, medical record books, medical certificates, and cards. I also use it myself, and it can perfectly store medical certificates and medical record books for my two children, bankbooks, and more ^ ^ 《Size》 Length: Approximately 18cm Width: Approximately 12.5cm Card pockets: 9 Pockets: 3 *Each item is made with care, but please refrain from purchasing if you are looking for a product with the quality of a mass-produced item, as it is handmade. *Due to the handmade nature of the product, there may be slight thread shifts or fabric misalignments. Please understand. Thank you very much.