The Camelbck Podium Chill 610ml has a ouble-wall construction which keeps water cold twice as long, while the innovative Jet Valve ensures you're drinking the water, not wearing it. Features Capacity: 610ml 100% BPA-Free Camel Bak Got Your Bak Lifetime guarantee Innovative, self-sealing Jet Valve TM eliminates splatters & spills. Lightweight, easy-squeeze bottle delivers the right flow to quench your thirst. First insulated bottle to be team issue at the Tour de France. BPA-Free, Tru Taste TM Polypropylene with Hydro Guard TM lets you taste your water, not your bottle. Also keeps warm beverages warm during cool weather rides.