Winco Bus Box, Black, Polypropylene, 21-1/2"D x 15-3/4"W x 7-1/4"H, NSF Great for soaking flatware and collecting dishes, along with sturdy reinforced handles. The heavy duty polypropylene material is very durable and is long lasting. Stackable for storage. NSF Certified. Perfect for all restaurants, diners, cafeterias and more. Features: Heavy duty polypropyleneBlack21-1/2"D x 15-3/4"W x 7-1/4"HNSF Certified