Adjustable Function: One-piece structure and adjustable bookends have a maximum length of 50 cm / 19.6 inches and a minimum length of 10.5 cm / 4.1 inches. You can freely adjust the length of the bookends according to the thickness and quantity of your books or folders. 2 magnets and 1 pack of sticky notes for gift. Separate Design: Divided into three compartments, suitable for different categories of books and file storage. Stably holds your books, magazines, DVDs, encyclopedias, binders, family albums, cookbooks, reference books and more. And it is very convenient and easy to take the book out or put it back. Desk Organizer: A great helper for organizing your desk. Keep your books and files in order and save more space for you to do other work or place other items. Also suitable for bookcases, bedside tables, school, library or wherever you need it. Great Gift：High quality metal and rivets fixed construction, durable for long-term use. A great gift for your family or friends who are passionate about reading. If you have any questions about the product, please feel free to contact us. Using Notes：For better use, please adjust the bookends to a suitable length according to the quantity and thickness of your books, and fill this length as much as possible. If there are very few books placed, please use other items on both sides of the bookends to press them slightly to make it more stable. Please read the adjustment instructions to know how to adjust the length of the bookends.