Keep your CamelBak reservoirs in your family organised with 4 fun colours.Fits all CamelBak reservoirs.The best bite valve on the market in 4 fun colours.Self-seals after each drink to eliminate annoying drips. Self-seals after each drink to eliminate annoying drips. Patented one-piece silicone design. Fits all CamelBak reservoirs. Includes 4 coloured Big Bite valves.