Seal & Secure – Flexible LFGB silicone cap fits snugly inside standard 3- and 5-gallon water jug openings to help reduce spills and keep water contained during storage, transport, or refilling Just Flip, Fill & Fit, That's Simplicity at Its Best: The "on and off" with this 5 gallon water jug cover is so breezy, it's a blink-and-miss-it affair; It fits all water standard size water jugs (55mm top, and a 45mm opening), ensuring a snug and secure fit for 5-gallon jugs, making it ultra-convenient Pure Water Deserves Pure, Premium Materials: Entrust your precious H2O to our 5 gallon water bottle caps, made of food-grade silicone without BPA that seals freshness in while keeping harmful chemicals out; With The Jug Plug by your side, the purity of your drinking water remains untouched, keeping it crisp and refreshing sip after sip A Reusable Water Jug Cap That Keeps on Giving: The 3 and 5 gallon jug lid isn't a one-and-done deal; You can pop the 5 gallon water jug cap in the dishwasher and, voilà, it's ready to be reused thousands of times, tirelessly performing its sealing magic while always coming up squeaky clean Reimagining Hydration & Rethinking Waste: You've kicked plastic water bottles to the curb, and we're here to help you take the next step; Together, let's say adieu to single-use plastic caps and welcome in the era of reusable, compatible primo water bottle caps for a future we can all toast to. US Patent No. D977,973 ✔️ Compatible with most standard 5-gallon water jugs, any product with a 55mm outer diameter, including Primo, American Maid, Crystal Springs, Brio, Avalon and most grocery store brands ❌ Not compatible with Bluewave, Pure Aqua, Glass Jugs, H80, LavoHome, and Alpine Cuisine. This listing is for a 3-pack of reusable silicone water jug caps Water jug not included 5 gallon water jug cap, water jug cap, 5 gallon water jug lid, 5 gallon water bottle caps, 5 gallon jug cap, 5 gallon water jug cover, 5 gallon water jug cap reusable, water jug caps 5 gallon reusable, 5 gal water jug cap, 5 gallon jug lid, 5 gallon glass water jug, garrafones para agua fresca, water jug lid, water jug cover, primo water bottle caps, water bottle cap