Heavy-duty, triple-end, double-side, double-bottom construction stacks up stronger and withstands frequent handling. FastFold quick and easy assembly. Reinforced tear-resistant handles make box comfortable to carry. Deep, locking, lift-off lid stays in place for secure file storage. Smooth rolled edges add strength and prevent paper cuts. Great for storing home or office papers, and other documents, along with a variety of materials and items that you need to store for safe keeping.