OUR DOLLY IS CRAFTED OF SEASONED HARDWOOD POPLAR SMOOTHLY FINISHED WITH FLUSH TOP BOLTED CONSTRUCTION. THE WOOD IS STERILIZED AND BAKED AT HIGH TEMPERATURES AND THEN A COAT OF VARNISH IS APPLIED TO IT. FOUR SWIVEL HARD RUBBER CASTERS. CARPET BUMPERS ON EITHER END OF THE OPEN-DECK DOLLY. MEASURES 30"" X 18"" WITH A 1200 LB. CAPACITY.