The Rubbermaid Commercial Food Storage Lid for Food Tote Box helps reduce food spoilage costs. The food storage container lid is a tight-fitting snap-on lid with stacking ribs. This bulk food storage container lid reduces risk of cross-contamination secures storage while stacked and can be used as tray when displayed upside down. Premium Polycarbonate Construction. Food Container Type: Lid; Material(s): Polycarbonate; Food Container Material Type: Plastic; Color(s): Clear.