This is a book cover for a size 4x6 (shi-roku-han) book. This size is common for softcover books. The front uses two types of Kurume-ori fabric. The back is Kishu fine cloth in indigo. Interfacing is applied. For reference, the book used in the photos is 18.8cm tall, 13cm wide, and 2.5cm thick (photo 6). Height: Approximately 20cm Width: Approximately 35cm when opened No bookmark string is attached. Although carefully finished, it is handmade by an amateur. We hope you understand this, and that those who don't mind the small details will use it daily.