[Features] This cart is suitable for transporting heavy objects both indoors and outdoors. Rubbermaid 's unique Duramold construction is a composite of resin and steel that is lightweight yet more durable than conventional products. Ideal for transporting heavy loads in all indoor and outdoor environments. Duramold is precision engineered with a composite construction of resin and metal for exceptional durability. Molded-in tie down slot load was used. For security, the textured deck surface reduces slippage of transported items. Powder coated steel handle/frame for durability. 2 fixed, 2 swivel casters for optimum control & maneuverability.