This plastic dolly is structurally reinforced with 3/4″ steel tubes for extra strength to transport containers up to 1,100 lbs. The extremely robust dolly features a solid black HDPE platform. 5 inch, high quality, non-marring casters (2) rigid, (2) swivel with brake. Raised tabs keep containers in place. 1/2″ deep wheel pockets allow empty dollies to be securely stacked for storage or return logistics. The dolly is 31.8″ long x 23.5″ wide. PROUDLY MADE IN THE USA