This is a replacement reservoir for your snow pack. Its so easy to fill up this 3 Litre capacity pack thanks to its fold & slide wide mouth opening. Features Low profile Shape-Loc center baffle Quick Disconnect hose Constructed of FDA approved Polyurethane (TPU) Fold & Slide wide mouth opening allows for easy filling 45 Degree high flow bite valve with ON/OFF positions BPA & PVC free Lifetime warranty Specifications 100 oz. [ 3L ]