Vented polypropylene lids make it easy to take meals on the go. Designed for use with PresentaBowls square bowls (sold separately). Firm perimeter seal prevents leaks. Provides a clear view of contents, making lid/container combos an excellent choice for delis and quick-service establishments. Large Vented Square Lid. Food Container Type: Lid; Material(s): PP - Polypropylene; Material Type: Plastic; Color(s): Clear.