Traditional three-ring binder with round rings makes it easy to keep loose papers neat and together. Two opaque interior pockets hold unpunched sheets. Durable polypropylene construction ensures long-lasting performance and is superior to vinyl in many ways. Binder Type: Ring Binder Style: Non-View Binder Size Capacity: 1.5" Binder Sheet Capacity: 330. Green : Chipboard contains 75% post-consumer recycled material, 100% total recycled material.