Features: World Centric Lids For 4 Oz Fiber Souffl Cups Are Made From Unbleached Plant Fiber Like Bamboo, An Annually Renewable Resource, And Have No Added Pfas. Suitable For Cold Items, And Great For Takeout, Restaurants, Food Trucks And Cafes. They Are Certified Compostable In A Commercial Compost Facility, Which May Not Exist In Your Area. By Using Lids Made From Plant Fiber, You Are Reducing Plastic Waste And Taking Action To Make A Difference.