Radians 25 Count Jar of 32 NRR Earplugs - Radians Foam Earplugs have a tapered shape and offer the most natural fit and seal for the ear canal. Smooth shiny surface repels dirt. Low pressure, self adjusting foam offers long wearing comfort and quick recovery time. Comfortable, tapered shape. Smooth shiny surface repels dirt. Low pressure, self adjusting foam offers long wearing comfort and quick recovery time. FP70 Uncorded plugs are Made in the USA. NRR 32 dB