Light Stripe Delivers High Degree Of Comfort And Visibility When Worn Patented Polyurethane Foam Expands Gently In The Ear Canal, Reduces Tendency To Back Out Of The Ear Canal.Less Expansion Pressure Creates A More Comfortable Seal, Wears More Comfortably Than Other Foam Earplugs Over Long Periods Of Time.Smooth, Soil Resistant Skin Prevents Dirt Build Up, Promote Proper Hygiene.Tapered Bullet Shape Design Easier To Roll-Down And Insert, Adapts More Evenly To Shape Of The Ear Canal.Ideal For Medium, High Noise Environments.Available In Two Sizes Regular, Small.For Optimal Fit And Protection, Ensuring Proper Fit For A Wide Variety Of Employees.