The Wheat Straw is made from the stem of the wheat plant. Non-toxic and biodegradable, it is a safe and eco-friendly single-use alternative to plastic or paper straws. The stem is agricultural waste from the wheat harvesting process - the circular economy in action! End of life: 90 days garden compostable Longevity in liquids: Never soggy Shelf life: 18 months Diameter: 4 -6 mm Gluten Free