Slant-D ring holds 25% more sheets than standard round ring. Everyday durability for active projects. XtraLife cover hinge for added strength. PVC-free, non-stick, ClearVue covers for three-sided customization: insert custom title sheets on the front, back and spine for a professional looking presentation. Binder Type: Ring Binder Style: View Binder Size Capacity: 1.5" Binder Sheet Capacity: 375. Green : Cover board contains a minimum of 98% post-consumer recycled content, 100% total recycled content.