Features2 O-ring binding mechanism25mm capacityReversible spine insertInternal pocketBusiness card holderThis super strong, rigid polypropylene Snopake A4 25mm Executive Ring Binder is ideal for free-standing storage. The top quality 2 O-ring binding mechanism has a 25mm capacity for A4 documents. The binder features a reversible spine insert for labelling, an internal pocket for storing unpunched papers and a business card holder for a professional finish. This pack contains one clear A4 binder.