Earth's Choice view binder is PVC-free, acid-free & archival-safe. Ring is removable for easy recycling & mounted on the back lid to help pages lie flat & to reduce wear on paper. D-ring holds up to 25 percent more sheets than standard round rings. 5" capacity holds approximately 1,070 sheets. Clear overlay on front, back & spine allows easy customization. Two inside clear pockets offer extra storage for loose documents. A portion of proceeds from each binder purchased is donated to American Forests to help plant a minimum of 7,500 trees annually.