The Camelbak Arc 1 Running Belt is a lightweight way to carry along some hydration and essentials on your short jog without keeping them in your hands. This comfortable lightweight belt provides the perfect cradle for a single 10 oz Podium Arc Bottle. This Camelbak bottle is made with BPA-Free TruTaste polypropylene which won't add any plasticy taste to your water. For those who like to work their arms on their run, the JetValve self seals to eliminate splatters and spills as the bottle moves up and down in your hand, should you want to hold onto it and not place it back within the Arc 1. There's even a small pocket on the Arc 1 for your running essentials, like your phone, house keys or an energy bar. Front and back reflectivity helps keep you visible should your run start as the sun is coming up or it takes you into the evening hours. Help keep thirst at bay on your short run with the Camelbak Arc 1 Running Belt.