The Luxor TC221 32 x 24" Three Shelf Heavy-duty Utility Cart (Black) is an easy and quiet rolling cart. The cart is made of polyethylene and has a lifetime warranty. It has top and middle flat shelves and a 2 3/4" deep bottom tub shelf. The clearance is 11" between each shelf. The top shelf is reinforced with a steel bar. The cart is transported by a push handle molded into the top shelf and four 4.0" casters, two with a locking brake.