Transparent three-hole punched zipper binder pocket with 100-sheet capacity. Convenient zipper binder pocket comes with three-hole punched construction, so it easily fits into any standard binder. Archival-safe materials that will not lift or transfer inks or toners keep and protect your unpunched documents or photos. Pocket expands to 1/2" to hold up to 100 sheets of paper, notes or other accessories. Heavy-duty polypropylene for added durability.