BLACK CAT BOOK SLEEVE: The book cover has a stylish and innovative pattern, which protects your book from dust or torn and bent pages, and is also a perfect gift for book lovers. SIZE: book sleeve about 9.3inch (23.5cm) wide, 11.6inch (29.5cm) long. Fits most self published books, standard paperbacks, mass paperbacks, and regular hardcovers. Make sure to measure your item before purchasing to ensure that it will work for you. WASHABLE FABRIC: The book sleeve's handy hanging strap can make you carry your book around easier, the sticky closure makes your books and other itemss safe, polyester material makes your booksleeve easy to wash and reuse. EXTRA SLEEVE POCKET: Book covers keep your books in original condition while still having two extra pocket for storing small diaries, bookmark, stationery, and even a few small decorative accessories WIDELY USAGE: This book sleeves can be used to protect books, textbooks or notebooks and is suitable for students, teachers, writers, scholars, bookstores or anyone who likes books or wants to easily distinguish between them.