Tritan Material: Made from BPA-free, odorless Tritan, this water bottle guarantees a safe and refreshing drinking experience every time. Convenient Lid Design: Featuring a secure safety lock to prevent leaks, a one-handed easy-open mechanism, and a durable handle for comfortable carrying on the go Accurate Measurement Markings: Clear, precise scale markings let you effortlessly monitor your daily water intake and stay hydrated Perfect for Any Occasion: Lightweight and portable, it’s the ideal companion for the gym, travel, school, office, or any sports activity Fanhaw provides a 1-year warranty. If you're unsure how to contact us, please refer to the video in the image