Be part of the running or biking revolution with this Podium bottle. The enhanced cleanability maintains its position as the best-of-the-best within the cycling industry. This premium bike bottle prioritizes performance and excellent cage fit above all else for both professional and recreational users. Easy to squeeze and always BPA free, the Podium is the ultimate bottle for rapid and reliable hydration. BPA free. 21 oz. Trutaste with Hydroguard- bottle contains and additive (Hydrogaurd) to inhibit microbial growth (does not protect the user from disease-causing organisms) EC 528/2012: supported in the review program of active biocidal substances. Active ingredient: silver sodium hydrogen zirconium phosphate. CamelBak.com/hydrogaurd.