Made from plastic material, our book covers are and . These book covers will well to protect your hardcover books, designed to keep them in pristine condition for longer. Our clear book covers are easy to use, can quickly and easily slip them onto your books. Features -Color:Transparent -Material:Plastic -Size:30.50X21.80X1.00cm/11.99X8.57X0.39in(A4) -Size:22.00X15.00X1.00cm/8.65X5.89X0.39in(A5) -Note:10pcs for each size, and 20pcs in total. -The plastic material ensures the flexibility and durability of this book film, making it have a long using life. -You can easily clean the residue that has splattered on the cover splattered . -These book covers are anti-scratch, can prevent your books from water, dirt and more. -Perfect for scrapbooks, notebooks, student exercise book, text books, notebooks, science books and so on. -With these convenient and practical book covers, and your books can be preserved perfect. Package list: 20 x Book Covers