Binding case is a self-contained arch file that holds loose papers for shelf access, archival storage or transporting. Fiberboard construction holds up strong for secure containment. Detachable arch wires with a 3-1/2" capacity hold two-hole punched sheets. Reinforced finger access hole is located on the spine to help you quickly retrieve your items. Base metal shoe is securely riveted to board for lasting use. Printed spine label allows you to easily identify your contents.