The Rubbermaid Commercial Slim Jim Trash Can Dolly promotes recycling and improves productivity. The trash can dolly has a stainless steel frame and 4 plastic swivel caster wheels, and can be used to turn Rubbermaid Commercial Slim Jim trash cans (sold separately) from a stationary into a mobile container. The trash can dolly is made of stainless steel, which is stronger and more durable than aluminum and is resistant to rust and corrosion. This 4-wheel dolly has a load capacity of 120 pounds.