According to the manufacturers, Phade and Beyond Green are made from Nodax, a polyhydroxybutyrate-hexanoate, produced by Danimer Scientific and meet several biodegradation standards for industrial compostability (ASTM D6400), home compostability (ISO 20200 and ISO 14855), and marine degradability (ASTM D6691). According to the product description, the Plasticless PLA straw is made from PLA and modified corn starch and meets compostability standards (ASTM 6400 and EN13432).