Appropriate Size: The size of our book storage bag is 11.25 x 8.4 inches ( 28.6 x 21.4 cm ), 4mm thick. Suitable for standard paperbacks, regular hardcovers and so on. Whether you're carrying novels, textbooks, or any other type of reading material, our book storage bag promises a snug and secure fit, keeping your books protected and organized. Zipper and Rope Design: Our book sleeve is thoughtfully designed with a sturdy zipper, ensuring that your books remain securely in place and preventing them from accidentally falling out. With a rope on its side, convenient for you to carry your books when you go out. Extra Storage: The book sleeve boasts a front pouch, which is ideally suited for safely storing notebooks, Kindles, small diaries, various stationery items, glasses, bookmarks, pens and so on. This pouch not only provides ample space but also ensures that all your essentials are easily accessible. Fine Workmanship: Our book cover is crafted from quality polyester material, durable and strong, not easy to break, ensuring longevity and reliability. Faithfully serve you for an extended period, providing excellent protection for your books. Great Gift: Our book cover is elegantly crafted, printed with vivid sunflowers, which add vitality to it and symbolize hope, light and warmth, an ideal gift for daughters, friends, book lovers, Christmas, Thanksgiving, and other holidays.