Heavy-duty bookends: High-quality metal structure, the bookends are sturdy and long-lasting, not easy to bend. They help books, DVDs, magazines and cookbooks to maintain good shape and upright.Non-slip design: There are 4 non-slip foam pads on the bottom of the bookends to prevent the book from sliding, so the bookends are also suitable for oversized books.Simple L-shaped support: Compared to the “T” shaped base, these L shaped bookends take up no additional room on our shelves which allows for the maximum number of books per shelf. And they are almost invisible.Well-designed: The sleek edges do not scratch your hands and your valuable books and other items, and the bottom non-slip pad ensures that it will not scratch the shelf or any tabletop while moving.4 pairs/8 pieces decorative bookends: The size is 8″ x 5.3″ x 4″ (20.3cm x 13.5cm x 10.3cm). Bookends in 4 colors can help classify your books, they can be applied in schools, offices, homes and other places.