Dent- and scratch-resistant, rusproof Durable and washable Solid surface shelves prevent small items from falling through. Legs/uprights, constructed of heavy wall polypropylene plastic, interlock for extra strength. Lighter duty, open shelf system. Injection-molded polypropylene shelf engineered for 75 lbs. per shelf load capacity. Constructed of injection molded polypropylene. 75-lb. capacity per shelf. Color(s): Black; Width: 32 in; Depth: 13 in; Height: 54 in.