Renewable and compostable serving tray lids work great for cold food only. Made from PLA, a plant-based plastic that has great end of life benefits and a nice environmental footprint. Made from renewable resources. Made with PLA, a plant-based plastic and are ASTM compliant for compostability. Great for displaying cold food. Our PLA products are compostable in commercial compost facilities, but unfortunately not in your home compost. Food Container Type: Lid; Material(s): PLA; Material Type: Plastic; Color(s): Clear.