Heavy-duty eco-friendly binder made for long-lasting dependable use. Die cut hole with finger ring in spine makes it easy to pull binders from shelf. D-rings hold more sheets than round rings for greater capacity in same size binder. No heat warping or cold cracking. No VOCs (Volatile Organic Compounds). Non-stick polypropylene ensures no ink transfer. Capacity Range [Max]: 4"; Sheet Capacity: 700; Color(s): Black.