The CamelBak Podium ChillJacket Bottle delivers the performance you want and the cool water you need, without the bulk. Forget about stiff clunky bottles with a lightweight, squeezable body and the innovative self sealing JetValve Cap, the CamelBak Podium ChillJacket sets the standard for insulated bike bottles. Lightweight and easy to use, with its squeezable body. Fully insulated double wall construction with insulation inside the lining of the bottle, keeping your liquid cool and refreshing. BPA free. Self sealing JetValve Cap no leaks or spills. Material: Polypropalyne with HydroGuard Wt. 3.5 oz. Capacity: 21 fl. oz.