Hydration Pack Bladder Cleaning Kit: compatible with all Chill-Its bladders designed to help keep all components clean and fresh. Features, Compatible with any Chill-its bladder, Drying rack to air dry bladder, Bladder cleaning brush, Delivery system cleaning brush, Bite-Valve cleaning brush Application, Fire/Rescue/EMT, Construction, Freight/Baggage, Oil/Gas Refining, Drilling/Mining, Landscaping/Grounds