This is a book cover made from vegetable-tanned leather, sized for a paperback book. The leather used has been dyed with a squeezing process, giving it a unique pattern and texture. This book cover is designed to be adjustable in size. We have confirmed that it can hold a paperback book that is 25mm thick, so it should generally fit standard-sized paperbacks. Vegetable-tanned leather is a bit stiff when you first start using it, but it gradually softens and conforms with use. We hope you enjoy the feeling of "growing" the leather and its aging process. The paperback book used in the photos is not included. Only the book cover is for sale. Size (when holding a paperback book): Approximately 16.5cm x 12cm ※Notes※ This book cover is handmade. It was made as a practice piece for machine sewing, so there may be some imperfections in the stitching and thread finishing. There may be some spots and wrinkles that the leather originally had. There are no problems with normal use, but if you are concerned, please refrain from purchasing. This is a practice piece, so it is priced lower than usual. We would be happy if someone who understands handmade items would purchase it. Also, we generally do not respond to price negotiations or requests for discounts, so please understand.