World Centric Compostable Clear Cold Cup Lids fit 12oz-22oz paper cold cups (not included). They're made from PLA, a polymer made from plants, to help reduce plastic waste. These disposable lids are suitable for topping cold beverages from restaurants, food trucks and more. PLA products should be stored in a cool place below 110-degrees Fahrenheit and out of direct sunlight. 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.