Overview: This set of six high-quality silicone bite valves is designed for users seeking reliable, easy-to-install replacements for their hydration packs. Compatible with most systems—especially Osprey hydration reservoirs—it ensures a durable, tasteless, and secure upgrade for uninterrupted hydration during outdoor activities. Product Details: Made from premium silicone, each bite valve offers elasticity, strength, and safety. The simple replacement process requires no tools or modifications—just remove the old valve and insert the new one. Ideal for cycling, running, hiking, and other adventures, this set provides a practical solution for maintaining your gear and staying hydrated on the go. Key Features: 1. Comprehensive Set – Includes six vibrant silicone bite valves, each with an inner column. Perfect for personal use or sharing, so you always have a spare on hand. 2. Universal Compatibility – Designed to fit most hydration packs, with special suitability for Osprey hydration systems. 3. High-Quality Material – Crafted from durable, elastic, and tasteless silicone that is safe for long-term use and enhances your drinking experience. 4. Easy Installation – No tools needed. Quickly replace worn or damaged valves without altering your hydration pack. 5. Versatile Application – An essential upgrade or replacement for biking, running, hiking, and various outdoor activities, helping you stay hydrated without interruption. Note: Slight color variations may occur due to lighting or display differences, which do not affect performance. Measurements may have a tolerance of +/1–3 cm. Color Options: Blue / Red Material: Silicone Package Contents: 6 × Silicone Bite Valve Sheaths (Other products are not included.)