The black EC222HD-B 18 x 32" Three-Shelf Plastic Heavy Duty Utility Cart from Luxor is made from high-density polyethylene structural foam. It is scratch, stain, dent, and rust resistant. The shelves are 0.5" deep and feature a collective weight capacity of 500 pounds when the load is evenly distributed. The top shelf has a molded push handle with built-in grip. The cart has four 5" casters, two lockable, which provide mobility.