Samsill 18457 Nonstick Round Ring Poly View Binder, 11 x 8-1/2, 1-1/2" Capacity, White Features: Acid-free, archival-safe polypropylene material. Clear overlay on front, back and spine. Nonstickâ€”will not lift copy. Round rings keep papers securely in place. Two clear inside pockets for extra storage. Environmentally friendly and recyclable.