Corrugated, fiberboard box with attached top is perfect for everyday file storage and transport. Sturdy, folder-style box with a tuck top and hand holes. Has an edge crush strength of 32 psi. Versatile box for either letter or legal size documents. No tape required. Box Type: General Materials Storage; Strength: Standard-Duty; Capacity (Weight): 65 lb; File Size Format: Letter/Legal.