WHAT'S INCLUDED:This book corner protector is made of metal and contains 80 pieces in 4 styles, each with 20 pieces. Sturdy and durable, it protects the corners of books from being easily damaged.HIGH-QUALITY MATERIALS:This book corners is beautifully designed with smooth surface and fine workmanship, which can effectively protect the corners of books from wear and damage. Perfect for anyone who wants to protect their favorite books while adding a touch of elegance to their bookshelfAPPLICATION SCOPE:This set of paperback corner protectors can effectively protect the corners of your books, photo albums, folders, scrapbooks and journals from wear and damage. Simple and practical design, convenient for you to use at any time.EASY TO INSTALL:This metal book corner protector can be easily installed on book corners and secured by clamping, thumb pressure or pliers to effectively protect books from wear and damage.EXQUISITE GIFT:This protective book corners not only protects the corners of your precious books from damage, but also makes a great small but practical gift.