Heavy Duty Metal Bookends: The single piece size of the bookend is 17.8*9.9*12.1cm, made of solid metal with advanced technology, strong enough to support your books neatly and upright, and difficult to bend. Perfect for storage of large books, DVDs, video games or CDs Non-slip foam pad design: There are 4 non-slip foam pads at the bottom of each bookend to prevent the bookend from sliding, they allow you to move the bookshelf but will not scratch your table. The corners are slightly rounded and will not scratch your fingers or books. Sturdy and Rust-proof Material: Made of solid metal with advanced technology, it is durable and strong enough to hold large and heavy books neatly and upright, and is not easy to bend. The powder coating surface is smooth and rust-proof. Beautiful Design and Great Gift: Elegant and simple bookend design, suitable for office, school. A great gift for avid readers and bookworms. The bookends keep books neatly upright, and are also a great decoration. Best Storage Assistant: It can help you sort and organize your books, making your desk look neat and organized. Perfect for school, office, home, etc.