Handmade item. Material: Nylon-like Width: 10cm Height: 15.3cm Please note that there may be slight variations due to the handmade nature of the product. This is a notebook-style case that can hold insurance cards, medical examination cards, and cash cards. (It does not fit medicine notebooks) Photo 3: Left side: Insurance card size, with 3 pages (Size of paper-based late-stage elderly insurance cards and long-term care insurance cards) Right side: Medical examination card and cash card size, with only 1 page that can hold 5 cards Although it is new and unused, please understand that it is handmade, sewn with a sewing machine, and has metal fittings attached with a hammer. Also, there may be some creases from long-term storage. If you like one-of-a-kind items, please consider purchasing. My parents had many items that they sold at handmade markets, etc. #YoshimasaMade Production has been discontinued, and this is the last of the stock. I would love to pass it on to someone who will use it. #Handmade #InsuranceCard #CardCase Thank you.