Universal Water Jug Cap, Smart Threaded Lid, Leakproof

This universal water jug cap fits standard threaded water jugs, providing a secure, leakproof seal. The innovative double-layer design with a built-in rubber ring prevents leaks, even when the jug is upside down. Made from food-grade plastic, it's safe for drinking water. Easy to install, remove, clean, and reuse, this durable cap is a practical, eco-friendly choice for home or office water storage.