This plastic ring binder from Office Depot is a great filing solution for your loose paperwork, whether it`s at home or in the office. It is made from a 70% recycled heavy-duty board that`s built to last, covered with plastic for a long-lasting finish. This file comes in blue, making it a colourful addition to your office supplies. This blue ring binder folder is suitable for A4 sheets of paper, with a 40 mm capacity in its spine width. With two rings, you can insert hole punched sheets and trust they will stay put and kept out of the way. Get your files cleaned up today! Polypropylene Ring Diameter 25 mm Spine Width 45 mm