Two 36 in. by 24 in. by 4 in. shelves support up to 500 pounds of evenly distributed load. Prevent rust, chips, and dents with a surface that is easy to clean for simple upkeep. 5-inch non-marring casters offer smooth and easy movement without marking surfaces. A handy push handle contains a variety of smaller compartments along with a cup-holder for extra storage. Sturdy polypropylene material provides reliable performance