1.Material: Metal. Tree branches Bookends adopts tree branches shape structure and simple design. Made with sturdy metal, Padded with rubber on the bottom. 2.Tree branches Bookends make of high quality metal iron, which make bookends more heavy duty.L shape, simple but long lasting. Thick design, not easily bend, rounded corners design dose not hurt your hand. Let you stay away from the mess of the pile of books, so that your desk to restore clean and tidy. 3.Perfect collection tool .Decorate your study room and keeps your books organized and in a good view.Smooth edges minimize risk of injury. Strong enough to hold up your books neatly and upright, and hard to bend. Perfect for both huge books and your housing DVD's, video games, or CD's. 4.The book bookengds has four Non-scratching Mat on the bottom so not to damage your shelf. Designed by environmentally friendly spray paint and non-toxic pollution-, feel smooth texture, anti-s base design to strengthen the stability of the book. Keeps books vertically organized and in place so books don't easily tip. 5.This book books organizer our desk, bookcase and make them very neat, it also can create a study leaning theme room and reading corner, decorate your room being warm and poetic. 6.The sturdy bookends can classified different books, keep your book, magazines, CD, DVD, cookbook and the other things standing, so that your home becomes more beautiful and tidy.