The CamelBak Podium Flag Series Chill 21 oz Water Bottle is for anyone looking to stay hydrated, especially while on a bike and no matter the distance. It's designed to fit a variety of bottle cages on the market so you can always have hydration with you. This bottle has an easy-squeeze design to you intake more liquid with less effort. It's equipped with a self-sealing cap for less spills and splashes so that hydration goes where it's needed most, down your gullet. This bottle's on/off valve provides positive lock out for leak-proof transport and it's entirely BPA, BPS, and BPF free so you never have to worry about harmful chemicals leaching into your drink. The CamelBak Podium Flag Series Chill 21 oz Water Bottle offers best-in-class hydration so you can stay focused on your ride or activity.