The drinking straws used in this study included a solid CDA straw and a prototype foamed CDA straw, both provided by the Eastman Chemical Company, two PHA straws (Phade, Amazon; Beyond Green, Amazon), a coated paper straw (Naturalik, Amazon), an uncoated paper straw (Harvestraw, Amazon), a PLA straw (Plasticless, Amazon), and a conventional PP straw.