The camelbak ultra belt 500ml quick stow bottle keep it simple and keep yourself safe with the camelbak ultra belt 500ml17oz a secure zipper pocket on the rear carries the included 500 ml quick stowtrade flask while a front pouch that incorporates both a zipper pocket and a stash pocket can store your phone keys gels and nutrition the adjustable cinch belt with a snap buckle makes finding the right fit straightforward camelbak ultra belt 500ml quick stow bottle features in