Genuine Joe - GJO03164 Cold Cup Lids feature a handy straw slot for easy access to cold beverages. See-through construction provides a clear view of your beverage. Lid is designed to fit 12 oz. and 16 oz. paper cold cups (not included) made by Genuine Joe that offers quality cleaning, breakroom and facility supplies developed to meet your needs. They are easy to attach. Simply set lid on your paper cup and press down.