MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals MACKS Ear Seals No fitting or sizing needed for these pre-molded flanged earplugs. Mack's u00ae Ear Sealsu2122 feature a dual durometer design (2 plastics are used in the molding process). This creates a unique combination of super soft seal rings for unmatched comfort and a stiffer inner core for ease of insertion. Doctor recommended to seal out water, Mack's u00ae Ear Sealsu2122 help prevent swimmer's ear and surfer's ear and come with a convenient removable cord. u2022 Shatterproof carrying case includedu2022 1 pair