Made from unbleached plant fiber, an annually renewable resource. They contain no added PFAS. Great for use with hot or cold food items. The lids are 100% compostable in two to four months in a commercial composting facility. Fits 8 oz Bowls. Food Container Type: Lid; Material(s): Bamboo; Unbleached Plant Fiber With No Added PFAS; Material Type: Paper; Color(s): Natural.