GEOMETRIC PATTERN STRETCHABLE BOOK COVER: Featuring a geometric pattern theme with a clear and vivid pattern that matches most people's aesthetics, this fabric book cover looks delicate and beautiful, and is easy to draw attention to, so you can find the book you need in the first place.SIZE: stretchable book cover about 9.84inch (25cm) wide, 15.74inch (40cm) long. Suitable for 9x11inch hardback books.WASHABLE MATERIAL: These large stretchable book covers clothes are made of elastic fabric material, durable, washable, reusable, protective, with fine workmanship, not easy to break or fade; reliable material will serve you for a long time.EASY TO INSTALL: You only need to stretch the jumbo book covers over the cover of your books, no measuring or cutting required, no taping or gluing required,the fabric book sleeves will protect your books against bumps, scratches, wears and tears for years.WIDELY USEAGE: Stretchable book covers can be used to protect books, textbooks or notebooks for writers, scholars, bookstores or anyone who loves books or wants to easily distinguish them.