Two replacement bite valves and two straws for the CamelBak Eddy Kids' Bottle. Two Kids' Bottle Bite Valves: one-piece, silicone design self-seals to prevent leaks. 100% Free of BPA and BPS. Two replacement Kids' Bottle straws enable sipping without tipping. Fits CamelBak Eddy Kids' Bottle. CamelBak Got Your Bak Guarantee: If we built it, we'll Bak it with our lifetime guarantee. Materials: medical-grade silicone, low density polyethylene.