Upgraded Leak-Free System: No splash, no leak, stronger seal than ordinary caps, clean and safe.Widely used indoors and outdoors Safe and Reliable: Made from 100% food grade silicone, BPA free. Easy to clean and dishwasher safe Non-Spill Water Jug Cap: The Water Jug Cap are perfect for 55 mm 3 or 5-gallon water bottles Reusable Water Bottle Dispenser Cap: No more disposable water bottle caps. Reusable water bottle caps also used thousands of times and easy to store. One water cap help you save hundreds of dollars 100% Satisfaction: If you have any other question about this Water Dispenser Caps,please contact us when you free time. Water Dispenser Caps