The 3M E-A-R Classic Earplugs are made from a soft energy absorbing polymer foam which provides excellent hearing protection and all day comfort. Ideal for use where noise is a problem either in work or leisure activities. Provide excellent comfort with the added benefits of being moisture resistant and can therefore be cleaned up to three times making that an extremely economical option. Textured surface helps keep ear plugs in place. For use with One-Touch Dispensers Ref EAR1TPD and EARCRB (Product Code 150989 & 154627). Attenuation: SNR = 28dB.