Locking, alignment-protected Slant-D� rings secure up to 50% more than conventional round rings. Inside-back-cover Expand-A-Pocket� holds up to a 1/2-inch stack of materials. XtraLife� cover hinges with BlindEdge� welds provide maximum durability. MicroFine� Suede-finished heavyweight vinyl cover provides a professional look and feel. Handy sheet-lifter helps eliminate page-hole tears. Maximum Capacity Range ("): 1 in; Sheet Capacity: 270; Color(s): Black; Binder Sheet Size: 11 x 8 1/2.