【Safe to Use】American Eastman Tritan material, BPA-free, plasticizer-free, BPS-free, safe; healthy and durable 【Easy to Use】The leak proof one-button switch opens the cap easily; Wide-mouthed and removable bite valve design makes it easy to clean 【Practical to Use】Leakproof seals and secure flip-top lid for confident transport; 800 ml high capacity design contain more water required in daily life or exercise 【Innovative Design】Lower the center of gravity bottle designed according ergonomics makes it stable, and more comfortable to hold; Wide mouth opening is easy to clean 【Broad Application】Endures a wide range of temperatures from -20℃ to 90℃; one hand operation design makes it a perfect companion for bicycling, running, swimming, outdoor activities, extreme sports, and more