- Leak-Proof Design : Our replacement water bottle cap features silicone seals on both sides, ensuring no spills or drips during water bottle swaps. Simply twist off the top nozzle for easy pouring or sipping. - Universal Compatibility : This cap is designed to fit most water bottles with a diameter of 2.28 inches, including 14, 18, 40, and 64-ounce sizes. The wide-mouth design enhances convenience, making it easy to use. - Easy Drinking Experience : Our cap provides a spill-free drinking solution, making it perfect for on-the-go hydration without the mess. - Convenient Transport : The large ring handle allows for effortless carrying. Designed to withstand the rigors of daily use, it won't break or deform under pressure. Use Scenarios : 1. Take it to work or the gym—effortlessly hydrate without worrying about leaks in your bag. 2. Ideal for outdoor activities like hiking or camping where spills can be a hassle. 3. Perfect for busy parents needing a reliable water bottle for their children without the mess. Upgrade your hydration experience with our dependable water bottle cap, designed for functionality and convenience.