The Rubbermaid Commercial Products FG350100WHT 21-1/2 Gallon White Food/Tote Box is made of durable polyethylene for more economical storage and transport applications. The tote is designed to help reduce food spoilage costs with the available tight-fitting snap-on lids that keep food fresh. The box has date control panels on boxes and lids for easier inventory control and is dishwasher and freezer safe. It comes in standard industry sizes to accommodate existing storage racks, counters, etc. The Box is certified to NSF Std. #2, is USDA Meat & Poultry Equipment Group Listed, and is made of FDA compliant materials. This product assists in complying with HACCP guidelines.