Earth's Choice view binder is PVC-free, acid-free and archival safe. Ring is removable for easy recycling and mounted on the back lid to help pages lie flat and to reduce wear on paper. D-ring holds up to 25 percent more sheets than standard round rings. 1-1/2" capacity holds approximately 375 sheets. Clear overlay on front, back and 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.