Constructed of lightweight, commercial-duty polypropylene material to avoid rust, stains, scratches, and dents Features built in side rails on each 36" length x 24" width shelf to prevent load from rolling or sliding off, and the dual-shelf design comes with large 3" deep trays for all your oversized tools and machinery Includes 4 non-marring 5" castors - 2 swivel and 2 fixed - to provide effortless and smooth mobility for floor surface protection and quiet operation Heavy-duty utility cart has a load capacity of 275 lbs or a total combined weight capacity of 550 lbs for holding and hauling the heaviest loads and is easy-to-clean and assemble for simple maintenance Equipped with an ergonomic push handle for maximum control and worker safety, small storage compartments, hardware bins, and a cup holder for additional storage