Rubbermaid 4618 Spring Platform Truck, 20 Cubic Feet, Black. Spring platform brings contents to a convenient working level for safer and less-fatiguing handling of material.. Hinged design allows access without removing lid. Metal frame provides durable support. Conceals loads without reducing capacity. USDA Meat & Poultry Equipment Group Listed. Assists in complying with HACCP guidelines. Diamond wheel placement for maneuverability. Optional domed lids available. Made in USA.