Comprehensive Set: This package includes six high-quality silicone bite valves in a vibrant, each featuring an inner column. Ideal for personal use or sharing with friends and family, ensuring you always have a spare. Universal Fit: Designed to be universally compatible with most hydration packs, these bite valves are particularly suited for Osprey hydration systems. Superior Quality Material: Crafted 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 or damaged bite valves without any modifications to your hydration pack. Simply remove the old valve and insert the new one for a quick and effortless upgrade. Versatile Use: Perfect for 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. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Red Material:silicone Package Contents: 6 * silicone bite valve Sheath Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 770 hours Hope you have a pleasant shopping experience!