Sold as 1 Each. Ring size: 1 1/2' diameter. Made from polypropylene so contents will not stick to the binder cover. Received the Arthritis Foundation's 'Ease-of-Use' Commendation. Contains 44 % recycled content by material weight. Black. Clear overlay holds custom title sheets. Safer and easier to use than any other ring metal. Holds 8 1/2'H x 11'W documents. Locking D-Ring Binder features no-pinch rings that open, close and lock with one touch. Acid-free poly material is nonstick. Binder has horizontal pockets inside front and back covers. Holds 25% more sheets than standard round-ring binders. No more scratched desks or bookshelves from triggers that don't close. Includes flat poly sheet lifter.