LIBERTY Heavy-Duty Strength Storage Boxes, Letter Files, 12.25" x 24.13" x 10.75", White/Blue, 12/CartonMaximum security box with string and button closure keeps contents secure, even if box is overturned. Up to 50% stronger than other string and button boxes to enable stacking without shelving. FastFold quick and easy assembly. Reinforced, plastic handle makes it easy to pull a box out of a stack or off shelving. Package Includes: (24) Strings