Angel-D ring binders provide up to 25 percent more capacity than round ring binders. D-ring mounted on back lid lets pages lie flat and reduces wear on paper. Pocket inside front cover to hold loose documents. Sheer lifter in all capacities. Labelholder on 3", 4" and 5" capacities. Lock ring, finger notch and hinged front cover on 5" capacity. Ring Binder Spine Identification Label Clip