Extendable Bookend Heavy-duty metal bookends, Made with sturdy metal with advanced technology, strong enough to hold up your books neatly and upright, and hard to bend. Perfect for huge books, your housing DVD's, video games, or CD's Removable Pen Holder Removable Pen Holder design is very convenient, and the both side is with Hole. so you can put the holder one lefe or right side, Telescopic Chain Feature Bookends is made of metal with a silicone pad on the junction. Decreasing direct friction, and noise,makes it extend or close smoothly, also it's sturdy and durable. Rounded Corner Technology and Smooth Edges The book holder has round smooth corner to ensure safety using. Smoothly bottom avoid scratch the desk and your hand Specification Color: Blue/Green/Pink/White Material: Metal Product size:4.13x5.7x7.6 inches Weight:1.76lb Retractable design: The Book Ends can be stretched up to 19.6 inches(50CM), you can adjust the size as per your books. Material: The Book Ends Made from sturdy heavy-gauge steel with Scratch-Resistant Hand Coating, strong bearing capacity, easy to clen, rust-proof, long service life. Rounded corner design: the Bookends with Rounded corner design. to avoid to cut our hand. so more safe. How to use: The Book Ends is suitable for book,albums,cookbooksmagazines, etc, if there is not full of books, please push it tighten. Package include: 1pcs Bookend and 1pcs pen holder.