Durable: It is fixed with high-quality steel and rivets fixed, it is very strong and not easily deformed Surface coating, effectively prevent oxidation, rust and the corners are sleek and smooth, preventing cuts A stable base makes the unit safer than traditional two-piece bookends. Free gift: (2 x smile face magnets + 1 x Pack Sticky Notes). Adjustable & Stretchy Feature: This adjustable bookend holder is flexible and can be re-sized according to the number of books. Outstanding retractable length from 4" to 19.6" to meet various requirements. It also have three vertical compartments and you can place different reading materials in different compartment, it just like a book dispenser to distinguish your item clearly. Good organizer function: No more mess on your desk, easy put all kinds of sundry, whether the book that is scattered, still beautiful setting, have their belonging. Application: The unique design of this bookend securely holds your magazines, books, DVDs , games, catalogs, encyclopedias, text books, hardbacks, comic books, binders, cookbooks, reference books, family albums, and more . In order to better use the bookends , it would be better to place the bookends close to the wall and do not stretch the bookends to the longest.