This hamper is constructed from heavy-duty 3/8" wire with a sturdy zinc finish. Hamper assembles in minutes by securing bottom shelf and lid wires to allow for hands-free operation of the white ABS high impact lid. Colored lids available. Bag lock secures liners in place. Includes four 2" hooded ball casters insuring smooth rolling. This hamper accommodates R&B's disposable poly-liners and 640, 641 and 680 bags (Bags not included).