Comprehensive Set: This package includes six high-quality silicone bite valves in assorted vibrant colors, each featuring an inner column. Ideal compatible with personal use or sharing, ensuring you always have a spare. Universal Fit: Designed to be universally compatible with most hydration packs, these bite valves are particularly suited compatible with Osprey hydration systems. Superior Quality Material: Made from premium silicone, these bite valve sheaths offer durability, elasticity, and reliability. They are tasteless and safe, enhancing your hydration experience during any activity. Hassle-Free Installation: Easily replace your old bite valves without any modifications to your hydration pack. Simply remove the old valve and insert the new one compatible with a quick and efcompatible withtless upgrade. Versatile Use: Perfect compatible with a variety of outdoor activities such as biking, running, and hiking. These bite valves serve as essential replacements or upgrades, ensuring you stay hydrated without interruptions. Color: Blue/Red Material: Silicone Package Contents: 6 x Silicone Bite Valve Sheath Note: The package includes only the items listed above; other products are not included. Note: Light reflection and different display settings may cause slight color variations between the item and the image. Measurement may vary by +/- 1-3 cm.