1.Premium Acrylic Book Ends: Bookends made of 0.16 inch acrylic material are transparent and strong. Good bookends for shelves to hold books heavy duty, and it's stable enough for keeping books/files/magazines neat and upright 2.Large size Bookend: The acrylic bookend measure 5 x 5 x 7.3 inch, which is larger than the traditional iron bookend. The book holder is applied to organize more kinds of books and keep the room/office tidy 3.Protective Film Rounded Corner Design: Each bookend is covered with a transparent protective film to prevent the surface of the book end from being scratched during transportation( Please Peel Off The Protective Film Along The Label Before Use ). Smooth surface and rounded corner design, and the edge are flat, ensuring that the bookend will not scratch the book or fingers 4.Anti slip Pad Design: The 4 silicone anti slip pads on the bottom make the bookends more stable and not easy to slide, and can also protect the desktop/bookshelf from any scratches. And it can help you move the book without affecting other books ( REMINDER: Box is Equipped with a Certain Number of Non Slip Pads, which Need to be Attached to the Bottom after You Tear Off the Protective Film )