macks earplugs natural waterproof, 2 pieces

Dual durometer design – two plastics used in the molding process allow for ease of insertion and unmatched comfort.n• seal out noise with a noise reduction rating of 27 decibels (higest ever for a flanged earplug)n• exceptional ability to seal out watern• super soft seal rings – incredibly soft for extreme comfortn• detachable cord – convenient for hanging plugs around your neck in environments where noise comes and goes. Quickly and easily remove the cord for water activities.n• washable and reuseablen• shatterproof carrying case included