A one-of-a-kind food container lid made from recycled polystyrene. The EcoLid 25 is an industry-first, recycled content solution that can help keep waste out of landfills. Performs just like traditional plastic. Used for keeping food hot and locking in freshness. Food Container Type: Lid; Material(s): Polystyrene; Color(s): White; Hinged Lid (Yes/No): No.