World Centric Compostable Clear Hinged Containers Are Made From Pla, A Bio-Based Plastic Made From Plant Sugars. Great For Takeout Restaurants, Cafes And Grocery Stores, These Eco-Friendly Takeout Containers Are Light-Weight And Freezer-Safe. Pla Products Are Suitable For Cold To Warm Foods, And 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) Certified Compostable, Nsf Industrial Certified Compostable And Tuv Austria Ok 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.