Data-Pak Storage BoxIdeal for stacking and storing computer printout binders. Heavy duty, triple end, double side, double bottom construction withstands the weight of heavy bound computer printouts. 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. Box Type: Fast Foldâ„¢; Material(s): 2 Ply Bottom;2 Ply Side;3 Ply End.