Universal Fit: These screw caps are specifically designed for 3 and 5 gallon water bottles with a standard 55mm screw thread opening, ensuring a perfect fit for most water dispensers, coolers, and heaters. Leak Proof & Anti-Splash: The secure screw-on design, combined with a dual-layer structure (blue outer ring and white inner lid), provides a tight seal that effectively prevents leaks, spills, and splashes, keeping your water storage area clean and dry. Food Grade & Durable Material: Crafted from high-quality, food-grade plastic, these replacement lids are BPA-free, odorless, and built to last. They provide a safe and reliable seal for your drinking water without affecting taste. Reusable & Economical: Extend the life of your water bottles with these durable, reusable caps. This 5-pack offers excellent value, providing a cost-effective replacement for lost, broken, or worn-out original caps, perfect for households and offices. Easy to Use: Designed for convenience, these caps are simple to screw on and off. The practical design ensures a firm grip for easy handling, making bottle changes quick and hassle-free., Weight: 0.1763698096 Pounds, Manufacturer: Zerodis