Made from all-natural and sustainable resources. Made from earth-friendly, renewable Ingeo[TM] CPLA (Crystalized Polylactic Acid). Compostable in commercial composting facilities. 5-year shelf life in dry environments. Heat-resistant to 185° F. Sturdy feel, stronger than starch plant based cutlery. Elegant pearlescent surface. USDA certified Biobased. Black.