World Centric Compostable Clear Straw Lids for 9oz-24oz cold cups are made from PLA, a bio-based plastic made from plant sugars. Great for cafes, delis and restaurants serving cold drinks, these eco-friendly to-go lids are durable and freezer-safe. PLA products are suitable for cold to warm foods, and they should be stored in a cool place (below 110 degrees Fahrenheit and out of direct sunlight). They're USDA Certified Biobased, Compost Manufacturing Alliance (CMA) Approved and NSF Industrial Certified Compostable. As a certified B Corporation, World Centric is dedicated to upholding the highest standards of social and environmental responsibility, transparency and accountability. They proudly give 25-percent of their profits to grassroots organizations driving global change. Choose World Centric compostable foodservice products and make a difference today.