Eliminates The Use Of Disposable Plastic Cups and Bottles. Small Amounts Of Plant-Based Material Are Used To Create A Flecked Finish. No Indication Of Extractable Gluten In Testing. Choose Your Own Color Combination. Screw On, Spill-Resistant Sip Through Lid. Silicone Band For Easy Comfort Grip. Meets FDA Requirements. BPA Free. Hand Wash Recommended.