Adjustable Bookend Feature: One-piece structure and adjustable bookends, have a maximum length of 50 cm / 19.6 inches and a minimum of 15 cm / 5.9 inches. You can freely adjust the length of the bookends according to the thickness and quantity of your books or folders. Separate Bookend Design: Bookends for bookshelves are divided into three compartments, suitable for different categories of books and file storage. These bookends can stably hold your books, such as bookends for magazines, DVDs, encyclopedias, binders, family albums, cookbooks, reference books, and more. And bookends are very convenient and easy to take out the book or put it back. Desk Organizer Bookends: Adjustable bookends as a great help to organize your desk. They are perfect bookends to keep your books and folders in order and save more space for you to do other work or place other items. This bookend is also suitable for bookshelves, bedside tables, school, library, or wherever you need it. Bookends as a Great Gift: These bookends with high-quality metal material and rivet-fixed construction are durable for long-term use. So bookends are an excellent gift for your reading enthusiast family or friends.