Size: 550ml. Lightweight: Weighing Only 53g, the R550 Competes Now in the High-performance Cycling Bottles Category. BPA Free: the Bottle is Produced With Bpa-free Polypropylene. High Flow Channel: the Tip is Produced Using a Super Soft Material That Promotes a Soft Opening and Also Incorporates a High Flow Channel So That You Can Easily Satisfy Your Thirst.
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