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. Premium Polycarbonate Construction. Food Container Type: Base; Material(s): Polycarbonate; Material Type: Plastic; Interior Volume Capacity: 21.5 gal.