- Package Contents: Includes 2 silicone bite valve replacements to extend the lifespan of your water bottle's mouthpiece. - Premium Material: Crafted from high-quality, BPA-free silicone, these replacements are soft, durable, and reusable for your peace of mind. - Easy Installation: Simply remove the old spout by squeezing it from the bottom of the cup lid. Then, align the new spout and insert it from inside the cup lid, pushing it securely into place. - Compatibility: Each replacement measures approximately 3.82x3.17cm/1.5x1.25in. Ensure compatibility with Ello Cooper stainless steel series water bottles including 18oz, 22oz, 32oz, and 40oz models. Our product is not affiliated with Ello Cooper but designed to fit these specific models. - Practical Use Scenarios: 1. When your original bite valve wears out or becomes damaged, quickly swap it out to maintain your water bottle’s functionality. 2. Use as a backup while hiking, biking, or at the gym to ensure you always have a clean and efficient drinking solution. 3. Perfect for families or multi-user environments where shared water bottles need frequent maintenance. - Trustworthy Choice: Invest confidently in these silicone replacements knowing they meet high standards for safety, performance, and reliability. Ensure your hydration routine remains uninterrupted with these user-friendly solutions.