With a ergonomic design for better grip and easy twist off cap the Nike TR Hypercharge chug bottle is a must have accessory to help you to stay hydrated during your workout. Features: Twist-off cap for easy drinking Leak-resistant lid provides a tight seal Ergonomic handle makes carrying easy BPA free Dishwasher safe Wash before use 24oz capacity/680 ml capacity Materials: 70% tritan 27% polypropylene 2% silicone 1%stainless steel