File guard to prevent bookshelf files and other items from popping out/width 70.9 inches (1800 mm). You can choose from 3 types of mounting methods: "glue", "screw-stopper", and "belt loop" to install it in a variety of bookshelves.The belt can be opened and closed easily with a one-touch buckle, and the length can be adjusted.The one-touch buckle has a break strength of 120 kgf.All parts are made in Japan.A must have for any emergency. Manufacturer name: Oishi Seisakusho Color: Gray (Belt); Material: Belt: Polypropylene (Width 1.0 inch (25 mm)); Buckle/Belt Clasp: Resin, Wall Hardware/Screws/Iron, Double Sided Tape/Acrylic; Can be attached to shelves up to 70.9 inches (1800 mm) in width. Purchase Unit: 1