Cardinal® Premier ONE-TOUCH® Easy Open® Locking Slant-D® Rings Binder

4" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 880 Sheet Capacity - 4 19/64" Spine Width - 3 Ring(s) - Fastener(s): D-Ring - Pocket(s): 4, Inside Front & Back - Polypropylene, Chipboard - White - 2.14 lb - Locking Ring, Clear Overlay, Non-stick, PVC-free - 1 Each. ONE-TOUCH - open, close and lock with one simple motion; an ouchless, no-pinch way to load papers. Locking Slant-D rings securely hold up to 880 sheets - no gaps or misalignments.