World Centric Compostable White Sip Lids For 10Oz-20Oz Hot Cups Are Made From Crystalized Pla, A Bio-Based Plastic Made From Plant Sugars. Great For Cafes, Delis And Restaurants Serving Hot Drinks, The Strawless Design Reduces Waste And Provides Convenient Sipping On-The-Go. These Eco-Friendly Strawless Lids Are Lightweight And Durable. 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) 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.