No fitting or sizing needed for these pre-molded flanged earplugs. Mack's Ear Seals 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 Ear Seals help prevent swimmer's ear and surfer's ear.
- These Ear Seals come with a convenient detachable cord for attaching to your helmet or PFD.
- Great for kayaking - surfing - snorkeling - rafting - etc.