✔【Function】Big bite valve mouthpiece offers hands-free hydration when you need it most and is ideal for any high-performance situation. Regular replacement, keep your bite valve always clean
✔【Healthy】Made of food grade silicone, 100% BPA & PVC free, no weird taste, and no unnecessary or harmful chemicals. Soft to bite so you can get good effortless flow when drinking
✔【Design】Easy installation. One-piece silicone design includes no moving parts to break, and self-seals after each drink to eliminate annoying drips, dishwasher safe
✔【Application】Design for all CamelBak or other hydration packs, from kids to adults. Just bite and sip, Big Bite valve is designed to fit snugly at the end of hydration tubes and self-seals after each drink to prevent leakage and spills
✔【4 Pack】Whether you're looking for an upgrade or a spare, the pack is the solution for your reservoirs and hydration packs. With them, you don't need to throw away the whole hydration pack, increasing the lifespan! No risk full refund & replacement service guarantee.