Protective Film: There is a layer of frosted film on the bookend to protect the book from scratching. Please remember to tear the film off before use.The protective film is cling to the bookend, which makes it foggy, but the bookend is actually clear acrylic bookend. Elegant Clear Bookends: Made of high-quality acrylic, transparent bookends can easily match all kinds of books and other items, making the office, home, school and library look good. Round Edge: There is no sharp edge on the bookends. You don't need to worry that the bookend will scratch your hands or books, very safe. These acrylic round-cornered bookends can be used for bookcases, bookshelves or desks. L Shape Bookends: The bookend does not occupy the visual space on the shelf, it is very clear as they would be mostly unseen. They are light weight and enough to keep books still. Package Includes: 8 bookends/4 pairs, the size is 7.3" x 4.8" x 4.8". They are more suitable for small and medium-sized books.