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.