This hamper is constructed from 7/8" steel tubing with a bright and sturdy chrome finish. Hamper assembles in minutes and has white ABS high impact lids. Optional colored lids available. Bag locks secure liners in place. Includes six 3" easy-rolling casters insuring smooth rolling, two are locking to secure the hamper in place. This hamper accommodates R&B's disposable poly-liners and 640, 641 and 680 bags. (Bags not included.) Elevated 7" bottom shelf available to reduce bag capacity with ease (see medium-duty hamper accessories).