Mack's AquaBlock Earplugs are designed with high-quality, ultra-soft, super-flexible silicone for extreme comfort and water protection as well as an easy-to-grip stem for easy insertion and removal. AquaBlock Ear Plugs are perfect for keeping water out of your ears during surfing, showering, kayaking, rafting, snorkeling, and bathing. The doctor recommended Mack's AquaBlock Earplugs to help prevent swimmer's ear infections (otitis external) and surfer's ear (exostosis). High-quality, durable carrying case included for on-the-go convenience. Keeps your earplugs clean and protects them from dust and general wear & tear. Hit the shower, waves, or pool with confidence with Mack's AquaBlock Earplugs, the best waterproof earplugs.