1pair Black Deluxe Butterfly Nonskid Bookends Book Rack Book Organizer Bookend Art 1.Every time when you see orderly bookshelf, it is will stimulate to the desire to read books, then you will be a man of deep learning. 2.Decorate your study room and Keeps your books organized and in view. 3.Keeps books vertically organized and in place so books don't easily tip. 4.Non-skid foam padding base that prevent slipping and scratching 5.Unique design, give you special journey in the ocean of books.