SMOOTH ROUND EDGES&NON-SLIP – Four padded with silicone rubbers on the bottom, put them right on to your bookshelf, they won’t mar the surface at all. The edges slightly rounded, won’t scratch your fingers or your books.MULTIPLE-FUNCTION – Invisible bookends can keep your books, notebooks, files, magazines, documents, movies, DVDs, video games to stand up tidily, and you can say goodbye to messy desktops and shelves.MODERN DESIGN – Simple and modern L-shaped design keeps books vertically organized in good balance, smooth and flat.WONDERFUL GIFT – The book ends perfectly match all kinds of furniture and can decorate your bookshelf. Ideal for book lovers, collectors and decorators, to celebrate birthday, vacation or anniversary.TIPS – Our clear acrylic bookends are covered with plastic protective film, please remove the frosted film before use. and you should install non-slip anti-scratch rubber pads after removing the layer.