Ideal for transporting and storage, the Midwest Folding Products Standard Duty Flat Stacking Table Caddy makes stacking and moving tables a breeze. The caddy is designed for use on smooth floors and can roll over concrete, tile, or carpeted floors. It has 4-inch diameter, 1.25-inch wide, hard rubber wheels and swivel stem casters mounted to a heavy gauge welded steel frame. The swivel casters offer maximum mobility. The side rails are covered with neoprene rubber to protect tables. This caddy can hold 10-12 rectangular tables. Includes a 5-year warranty.