The Rubbermaid Commercial Food Storage Tote/Box is durable, versatile and sized to fit into existing racks and counters. These bulk food storage containers are NSF and USDA Certified and constructed of break-resistant polycarbonate. Dishwasher and freezer safe. Snap-on lids (sold separately) are tight-fitting. Includes date panels. Value-Priced Polyethylene Construction. Food Container Type: Base; Material(s): Polyethylene; Food Container Material Type: Plastic; Capacity (Volume): 21.5 gal.