Sparco Locking D-Ring View Binder,4 "Capacity,11"x8-1/2",White Locking D-Ring Binder features no-pinch rings that open, close and lock with one touch. Holds 25 percent more sheets than standard round-ring binders. Made from polypropylene so contents will not stick to the binder cover. Clear overlay holds custom title sheets. Acid-free poly material is nonstick. No more scratched desks or bookshelves from triggers that don't close. Received the Arthritis Foundation's "Ease-of-Use" Commendation. Safer and easier to use than any other ring metal. Binder has horizontal pockets inside front and back covers. Includes flat poly sheet lifter. Contains 44 percent recycled content by material weight.