What makes Mack’s Ear Seals innovative?Dual Durometer Design – Two plastics used in the molding process allow for ease of insertion and unmatched comfort. Dual Purpose – Seal out noise with a noise reduction rating of 27 decibels (higest ever for a flanged earplug) Exceptional ability to seal out water Super Soft Seal Rings – Incredibly soft for extreme comfort 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. Washable and reuseable . Shatterproof carrying case included
