These comfortable water-proof swimming earplugs for kids and adults block out water and help prevent swimmer’s ear (otitis externa) infections and surfer’s ear (exostosis). Mack’s®  swimmer’s ear plugs are also great for surfing, showering, kayaking, rafting, snorkeling and bathing. With Mack’s® waterproof ear plugs for swimming, you can hit the shower, waves or pool with confidence.