Shop the POP closed end rivet collection at the Bay Supply online store. Applications that require watertight or pressure-tight seals rely on closed end POP rivets to deliver firm, secure and excellent results. With up to 23% more tensile strength compared to regular open end rivets, these waterproof POP rivets prevent liquid, vapor and dirt from entering the thread. And when you see the POP name, you know that you're working with a high-quality closed end rivet. Shop for closed end POP rivets and other waterproof rivets now!