Organize documents at work with these corrugated storage boxes. The string-and-button design offers a secure closure, while the punch-out and plastic handles make it easy to carry around. With a stacking strength of 750 pounds, these boxes can be stacked to make the most of your office space, the pack contains four boxes to accommodate plenty of papers. These Staples heavy-duty corrugated boxes feature a preprinted write-in area for easy labeling.