Universal Heavy-Duty Fast Assembly Lift-Off Lid Storage Box provides extra strength you can rely on for storage of heavy documents and archival items. Built with double wall construction on all panels for increased stacking. Works great with steel shelving units, wire racks, warehouse shelving, and general storage. The soft and smooth, rolled edges eliminate paper cuts when moving and opening.Universal Heavy-Duty Fast Assembly Lift-Off Lid Storage Box provides extra strength you can rely on for storage of heavy documents and archival items. Built with double wall construction on all panels for increased stacking. Works great with steel shelving units, wire racks, warehouse shelving, and general storage. The soft and smooth, rolled edges eliminate paper cuts when moving and opening.