Camelbak Quick Stow FlaskDescription Stash the Camelbak Quick Stow Flask in your running vest, belt, or even in the palm of your hand. This lightweight, collapsible flask features our classic one piece silicone bite valve for rapid hydration on race day, and packs down easily once it's empty. Designed to fit easily in the front compartments of all of our running vests. Once it's empty, it folds down small enough to fit in your pocket. Features Bite valve self seals after each