Kids are notorious for chewing on everything. Get the extra parts you need to keep water bottles in good working order with CamelBak eddy Kids Replacement Bite Valves. The one-piece, silicone design self seals to prevent leaking. Made of medical-grade silicone with low density polyethylene. BPA-, BPS- and BPF-free. Per 2. Color: Ice Blue. Type: Replacement Parts.