Lucky Koi Fish Pattern:Featuring a beautiful koi fish design the koi motif represents luck prosperity and perseverance making it a meaningful and good luck representation. Waterproof Book Cover:This koi fish patterned book cover made of fabric material can be waterproof block out unexpected situations and protect your books or novels. Fabric Materials:This A5 book cover is made from a high quality and soft fabric fabric this material is easy to clean and provides excellent protection for your books whilst remaining lightweight and comfortable. Widely Used:This fabric book cover is an indispensable decoration for book lovers it will insulate your books from the outside. Not only for books but also for notebooks record books and so on. Easy to Use:This book cover features elastic edges that ensure a snug and secure fit for most standard-sized books. Simply slide your book in and the cover stays in place without slipping.