The CamelBak Kid's eddy Replacement Cap fits all eddy Kid's bottles. CamelBak designed this Kid's eddy Replacement Cap with a kid-safe bite valve that's easy for parents to remove and clean, but that won't pop off to create a choking hazard for little ones.Features: Easy for small fingers to operate Simplified stem and straw are child-safe yet easy to remove for cleaning All parts are dishwasher safe Not for children under 3 years Specs: CapMaterial: BPA-Free Polypropylene The CamelBak Big Bite Valve is made from medical grade silicone Closure: Spill-proof BPA/BPS/BPF Free