Vented lids allow steam to escape keeping foods fresher without loss of flavor. High-quality lids adhere tightly, preventing leaks and spills. Odorless lids will not affect the taste of food. Excellent for hot and cold applications. For Use with 6 oz to 8 oz Food Containers. Food Container Type: Lid; Material(s): Polypropylene; Material Type: Plastic; Color(s): Clear.