The study found per- and polyfluoroalkyl substances, aka PFAS or "forever chemicals," in all the straws except those made of stainless steel. Perhaps most surprisingly, PFAS was detected most ...

making it 33% lighter than standard stainless-steel bottles. The Flip Straw 2.0 lid has a larger opening and built-in straw for easy hydration. As the weather starts getting a little nicer and ...