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: 4"; Binder Sheet Capacity: 835.