Buildable Straw Made of Wheat Straw in a Plastic Tube Straw comes in 3 parts that screw together and can be assembled in seconds Straw is reusable Cleaning brush included Great for travel and clips on to any purse or sports bag, fits in the glove box or even your pocket Screw top cap with carabiner gives you easy access to the straw and cleaning brush Available cap colors: Blue, Black, White and Red Wheat Straw Polypropylene is Sustainable and Renewable. Gluten Allergen Friendly. Not Extractable FDA Compliant Microwave Safe Comprised of 20-30% Reclaimed Wheat Stock = Less Plastic and Petroleum Used.