Made with heavy-duty hardboard covers. This rugged 3-ring binder is ideal for long-term archival storage. The unique elliptical-shaped rings hold more paper than the common round three-ring mechanisms. The spine pocket with a removable spine label makes it easy to classify binder contents. Favored by libraries, law offices, research institutes, and historical societies, this durable binder is perfect for preserving and safekeeping frequently referenced documents. Features: Crafted with heavy-duty hardboard covers Extra-large capacity elliptical-shaped rings with zig-zag closure Metal piano hinges prolong the life of the binder Steel-reinforced spine for strength and durability Ideal for long-term archival and high-capacity document storage

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