Renewable and Compostable Plantware Cutlery is the only choice for compostable cutlery with a high-heat tolerance. New formulation offers strength and heat tolerance up to 200° F. Made from renewable resources. Made with PLA, a plant-based plastic. Meets ASTM standards for compostability. Crystalized formulation adds strength and heat tolerance. Handles are now 95% stronger. Heat tolerance of 200° F.