Medical Grade Silicone : Taste-free and BPA-free, this material is safe for drinking and has been SGS certified. Adjustable Bite Valve : Control water flow effortlessly with the black lever, preventing leaks during your outdoor adventures. Self Sealing Bite Valves : One-piece construction ensures no water drips, offering a clean drinking experience. Compact & Lightweight : Designed for portability, it's the perfect companion for your active lifestyle. Wide Compatibility : Works with 7*10 and 7*9.5 drinking water pipes, ensuring a seamless fit with various hydration bladders. Stay hydrated with style and safety using our detachable hydration bite valve. The medical grade silicone ensures a clean and healthy sip, while the adjustable bite valve gives you full control over water flow. Whether you're on a trail or in the city, its compact size and lightweight design make it a must-have for your hydration needs.