Beautiful. Versatile. Sustainable. Enjoy everything you can get in a traditional plastic cup with a reduced environmental impact. Lids and cups are made from annually-renewable plants, not petroleum. Made from PLA, a resin derived entirely from plants, the Greenware difference resonates with consumers. BPI® certified to be 100% compostable in industrial facilities, which may not be available in your areas. Not suitable for backyard composting. Five of the most popular size Greenware Drink Cups fit one lid series for optimized inventory. Crystal clear cups. Crystal clarity, premium quality and durability.