This 20" x 15" black bus box from Vollrath is constructed of durable, high density polyethylene plastic. The bus box has reinforced ribs on top and bottom for added strength and extended life. The tote box has a smooth bottom interior and ribbed bottom exterior. Strong, extra wide handles provide more durability and easy transport. Stacking lugs prevent sticking together and allow for quicker drying. It can be used for storing extra flatware rolls, busing tables after customers have left, transporting food and dishware, and so much more!