Eco-friendly is totally trendy, so jump on the bandwagon with this unique travel tumbler made of renewable and sustainable wheat straw and sturdy polypropylene. The 16 oz. travel mug is composed of reclaimed stalks from wheat, but it's still super strong and features double-wall construction for insulation of hot or cold liquids. It comes with a screw-on, spill-resistant lid and a matching 9" buildable straw. This "green" travel tumbler makes a fun favor to match a garden Prom or Homecoming dance theme or a great fundraiser for your school, team, or organization. Add your choice of one-color imprint to the front to customize the cup and create a keepsake everyone at your school will love. Note: Testing showed no indication of extractable gluten in this tumbler.