Size: Book sleeve tiling size: 14 x 9in(360 x 230mm), up to 18.5 x 9in(470 x 230mm). (Note: specific size refer to the picture) Stretchable Book Cover: large stretchable book covers clothes are made of polyester elastic fabric material, durable, washable, reusable, protective, with fine workmanship, not easy to break or fade; reliable material will for a long time. Black Book Cover: Featuring a black color with a clear and vivid pattern, this fabric book cover looks delicate and beautiful, draw attention, can find the book in the first place. 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 Usage: Stretchable book covers can be used to protect books, textbooks or notebooks for anyone who loves books or wants to easily distinguish them.