Easy to Use & Clean: Flexible and easy to install, these caps can be washed by hand or in the dishwasher for hassle-free maintenance. Reusable & Eco-Friendly: Say goodbye to single-use plastic caps! These reusable lids help reduce waste and in the long run. Leakproof & Airtight Seal: These silicone caps create a tight seal to prevent leaks, spills, and dust from contaminating your water supply. Food-Grade Silicone Material: Made from BPA-free, non-toxic, and odorless silicone, ensuring safe and healthy hydration for you and your family. Fit: Designed for 2-5 gallon water jugs with a 55mm diameter opening, making them compatible with most standard water dispensers.