Compile your records, notes, and other essential paperwork inside the School Smart Polypropylene D-Ring Binder. Design has a heavy-gauge chipboard front, back, and spine with a durable suede vinyl cover for extra protection and style. D-Ring mechanisms are easy to open and close with 3 inch diameters. Quality general purpose binder includes 2 deep inner pockets to hold loose sheets. Black binder (also available in white and blue) has a 725 sheet capacity. Entire binder measures 11-1/2 L x 11-1/2 W inches.