Incredibly sturdy, the Vollrath Traex bus box is sure to meet your needs. The high-density polyethylene material, strong handles and reinforced ribs on the top and bottom resist wear and extend the life of the unit. Approved for high and low temperatures, this versatile bus box can be used in a variety of applications. Stacking lugs prevent the boxes from sticking together and shorten drying times, ensuring that these durable bus boxes are always ready for hard work.