Thank you for looking. ☆This was made for Shinsyo-ban size books, but 　Shinsyo-ban books come in various sizes. 　Please be sure to check the size of your book 　before purchasing. 　It cannot be used for books that are 182mm in height. Outer fabric: Cotton sheeting (with fusible interfacing) Lining fabric: Cotton sheeting I make these as a hobby when I find fabrics I like. Please refrain from purchasing if you are concerned about minor imperfections such as warping, or if you are looking for a perfect item.