Sturdy and Durable: Made of Metal. The metal structure design makes the bookend sturdy and durable. Besides, the L-shaped design allows you to save more space. The dimensions of the black bookend14.8*12*11.5cm. Each pack has 2 pairs (4 Pcs). Unique Design: Crafted with beautiful black cat patterns, the bookend keeps books standing neatly upright while acting as a great decoration. It is very modern, sleek, and fits the minimalist decor in any home very well. Safe Design: The Bookends for Shelves have anti-static painted surfaces and rounded corners that won't scratch hands and books at all. Also, there are 4 small anti-skid rubber discs on the bottom that help keep it from sliding out of place. They not only increase the grip but also protect the shelves. Best Storage Helper: Bookends are often used in the office, study, living room, bedroom, library, kitchen, and children's room to help you classify different books, DVDs, photo albums, video games, etc. Bookends keep your shelf orderly.