Package Contents: Includes four silicone sheaths for bite valves, each featuring an internal post; Ample supply enables you to frequently change the mouthpiece of your hydration bladder and supports the upkeep of your hydration system.
Quality Silicone: made of quality silicone with good durability and elasticity, odorless and no harmful substances, it provides you with a soft bite so that you can sip easily and drink healthily
Wide Application: this bite valve silicone nozzle replacement fits most bite valves, even 360 degree rotatable and on/off bite valves; Fits most brands of hydration bladder and reservoirs of varying capacities; Whether you're biking, running, hiking or any other outdoor adventure, it's the good replacement for your bite valve
Bite Valve Replacement Sheath: replace old and leaking bite valves on your hydration reservoir with these bite valves; It fits most brands and types of hydration bladder and is compatible with Osprey Packs Hydraulics Reservoirs
Easy to Replace: it is easy to install, simply remove the old bite valve and insert the new one, no alterations to the backpack drinking tube are required