Comfort Foam Ear Plugs with Natural Tapered FitRadians Resistor 32 Foam Ear Plugs use a tapered shape for a natural fit and seal in the ear canal. Their smooth shiny surface helps repel dirt while the low pressure self adjusting foam offers long wearing comfort and quick recovery time. Tapered shape for natural fit Helps seal ear canal Smooth surface repels dirt Low pressure self adjusting foam Long wearing comfort