• Set of 5 replacement bite valves compatible with hydration reservoirs and bladders from Osprey, Salomon, USWE, AONIJIE, TRIWONDER, Nathan, and Hydrapak. • Allows you to replace the bite valve more frequently, preventing bad taste and improving hygiene. • Made from food-grade silicone, free of BPA, phthalates, and lead, meeting OEM quality standards. • Offers the ideal balance between softness and firmness, providing a comfortable and long-lasting drinking experience. • Each valve ensures a fast and smooth water flow, self-sealing after each sip and leak-free. • Quick and easy installation: remove the old valve and insert the new one in less than 30 seconds, no tools or modifications required. • Aftermarket replacement product.