Hydration Bottle Is Made From Bpa-Free, Impact-Resistant Copolyester For Safe, Long-Lasting Use. Lid Opens Easily With A Simple Push Of The Button To Quickly Access Your Beverage While Keeping The Sipping Spout Clean. Rotating Meter On The Lid Lets You Conveniently Monitor Your Daily Water Consumption. Flip-Up Carrying Loop Allows You To Attach This Bottle Virtually Anywhere To Ensure It'S Always Nearby. Plus, Its Ergonomic Design Ensures You Have A Comfortable Grip For An Enjoyable Sipping Experience..