- Pack contains 4x Bite valves : 1x blue / 1x pink / 1x green / 1x purple - Spill proof bite valve - BPA Free - dishwasher safe (please note colours/patterns may fade over time) - Not for children under 3 years - Suitable for Eddy Kids bottles only - Camelbak Got your Bak Lifetime Guarantee - Please Note: The self sealing silicone bite valve can sometimes seal tightly before first use. To open, squeeze the bite valve and twist and roll between your fingertips. This should loosen the seal and open it up for drinking.