[Product Information]

【Healthy and Safety】--This water bottle is made of medical grade (better than food grade) BPA-free silica gel and non-toxic, odorless material; approved by FDA in the U.S. Made from 100% medical-grade material.
【Leakproof】--Wide-mouthed (63 mm) design makes it easy to clean the interior or add water and ice; the leak proof one-button switch opens the cap easily; the lock ring prevents the bottle from accidentally opening.
【Innovative Design】--Soft and collapsible design, saves space when it's put away and makes it portable for outdoor use; its innovative air valve allows air to fill up the bottle and stands straight, even when it's empty or contains only a small amount of liquid.
【Wide Temperature】--Endures a wide range of temperatures from -40℃ to 120℃; use with refrigerated or boiled liquids; crash proof and anti-collision design makes it a perfect companion for bicycling, running, swimming, outdoor activities, extreme sports, and more.
【Large Capacity】--Large capacity water bottle of 750 ml, allows you to hydrate your body at any time; enjoy the outstanding design and convenience of this bottle compared to most products on the market. A check valve design prevent liquid to go out even if you hold it upside down.