A marine biodegradable straw that is also soil biodegradable, and home and industrial compostable too. Made from PHA, a derivative of canola oil. Boba Straws—These straws have extra-wide diameters that makes it perfect for enjoying thicker beverages, like bubble tea, milkshakes, malts and smoothies. Color(s): Ocean Blue; Color Family: Blue; Material(s): PHA; Size: 9".