"This Quantum Industrial Plastic Cart is an ultra-tough, no-maintenance cart built to withstand heavy-use industrial and commercial applications. U.S.A. Shelves qty. 2, Total Capacity lbs. 550, Wheel Type Two swivel and two rigid casters, Material Type Industrial plastic, Wheel Size in. 5 x 1 1/4, Dimensions W x D x H in. 18 x 33 x 35."