Professional grade polyethylene construction won't rust, peel or chip and resists dents. Metal frame for added durability. Conceals loads without reducing capacity. Diamond wheel placement provides easy maneuverability. Ideal for waste collection, material transport and laundry handling. Contains post-consumer recycled resin (PCR) that exceeds EPA guidelines. Assists in complying with HACCP guidelines. USDA meat and poultry group listed.