Thank you for viewing. This is a binder made of leather and PVC material. It's also recommended as an item for "ota-katsu" (activities for fans) to store acrylic stands, etc. The card calendar is the 2026 version. It's thick and can hold a lot, so please use it for saving money with the binder. Height: Approximately 19.3cm, Width: Approximately 13.5cm Loose-leaf paper included. There may be some slight errors. There may be scratches characteristic of leather and vinyl. Shipped via Mercari or Yu-Yu Mail. Those who purchase this item understand the above contents and agree to no claims and no returns. Resin Refills are not included.