Blisfulhoks 4 Packs Bite Valve Replacement Sheath for Water Bladder, Packs Hydraulics Reservoirs, Hydration Pack Bite Valve

Bite Valve Replacement Sleeves: Use these bite valves to replace old and leaking bite valves on your water bag; it fits most and types of water bags, for Packs Hydraulics water bag compatible. Premium Silicone: Made of high-quality silicone, with good durability and elasticity, odorless and free of harmful substances, providing you with a soft bite, allowing you to sip easily and drink healthily. Comes with 4 bite valve silicone sleeves, each containing an inner post. Wide Application: Fits most of water bags and water bags of different capacities; it is a good replacement for bite valves whether you are cycling, running, hiking or other outdoor adventures.