Holds eight 1 1/2-inch binders or a variety of binders up to 3-inch, with extra hand room for quick binder retrieval. Heavy-duty, triple-end, double-side, double-bottom construction handles the weight of full binders. FastFold quick and easy assembly. Reinforced tear-resistant hand holes make box comfortable to carry. Deep, locking, lift-off lid stays in place for secure file storage.