Simply close your CamelBak hydration pack with the Camelbak Ergo HydroLockGrid® and you will be able to transport it leak-free. The Ergo HydroLock closure ergonomically positions the BigBite mouthpiece at a 90 degree angle to make drinking easier. With the functional combination of the ergonomic shape of the Ergo Angle and the water stop function of the HydroLock, the Ergo HydroLock is ideal for CamelBak bike systems. Prevents leakage during transportation.