Letter/legal-size Basic Duty cardboard box (20-pack) for storage or filing Made of B-flute corrugated cardboard (rated 32 ECT); 450-pound stacking strength with double-walled bottom and ends; contains 60% recycled content Can be assembled without packaging tape; collapsible and reusable 20 lift-off lids are included (lid comes attached to box; to be torn/cut for assembly) 2 side handles for easy carrying Product Dimensions: 16.2 x 12.5 x 10.5 inches (LxWxH)