The OEM Cardinal ClearVue XtraValue Locking D-Ring Binder CRD19050 is designed for creating custom binder covers and spines. It features clear, nonglare overlays that allow for customization on all three sides. The unique Slant-D ring design holds up to 25 percent more paper than conventional round-ring binders, with locking rings that secure papers and prevent accidental spillage. With a 4-inch expansion, this binder can hold approximately 890 sheets, and it includes two horizontal pockets inside the front and back covers, each capable of holding 40 sheets. Made from a high percentage of recycled material, this letter-size view binder combines functionality with environmental responsibility.