The Rubbermaid Commercial Slim Jim Trash Can Dolly promotes recycling and improves productivity. The trash can dolly has a stainless steel frame and four plastic swivel caster wheels, and can be used to turn Rubbermaid Commercial Slim Jim trash cans (sold separately) from stationary to mobile. 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 four-wheel dolly has a load capacity of 120 pounds.