These all-plastic, one-piece reusable trays are designed for refrigerated and frozen food handling. Stacking ridge provides tight fit to keep air out and freshness in. Easy to clean trays with no deep corners or crevices ensure safe and convenient handling and long service life. These trays have no nails to rust or corrode. Heavy-duty dollies are also available for rapid, safe transport of product. These plastic containers are fully recyclable at the end of their service life.