This pouch can also be used as a book cover with the classic and beautiful "Iwanami Bunko" design on the cover. Hemings has been officially licensed by the Iwanami Bookshop to make a commercial. This item was inspired by a respect to the good old Japanese designs... It is large enough to fit your paperbook and has 3 pockets inside for convenient storage of small items, a strap for storing books, a bookmark, and a pen holder... It is convenient to carry small items such as notes, along with a book.