The Primeware Diamond Collection is made from annually-renewable and sustainable materials and are compostable, biodegradable, microwaveable, freezer safe, meet ASTM D6868 standards for compostability and are BPI certified. It is versatile enough to meet a wide variety of catering and food service needs. They're perfect for serving hot and cold foods with style and elegance in restaurants and cafes, for catered events, weddings or at home.