Heavy-duty protection for your most valuable storage or shipments. * 1/2" thick plywood. *Only used once * Fits 6 foot grid walls * Removable front panel for easy loading. * Quick, no-tool assembly. Steel clips secure panels. * Block pallet included. * Removable Casters * Size: 4' x 4' x 8 ' KEYWORD STORAGE, MOVING, HOUSEHOLD, BUSINESS