These lids fit on 9, 12, and 20 oz Greenware cups and have 40 to 105 degrees Fahrenheit temperature tolerance. The flavor buttons allow easy separation of served drinks for the customer, and have crystal clear visibility showcasing bright beverages. Color Clear Design Clear Green / Environmentally Friendly Yes Material PLA Plastic Shape Round Fits 9, 12, and 20 oz. Greenware cups. 40 to 105 degrees Fahrenheit temperature tolerance Flavor buttons Crystal clear for complete product visibility