The Vollrath 1522-06 Traex® Bus Box Cover is designed to fit 1521 and 1527 bus boxes, measuring 20"W x 15"D. Made from high-density polyethylene, this durable cover is both freezer and dishwasher safe, ensuring easy cleaning and long-lasting use. The sleek black design is NSF certified, making it a reliable choice for food service environments. Proudly made in the USA, this cover provides a secure fit to keep contents protected and organized.