Corded earplugs are made of moisture-resistant, nonflammable, dermatologically safe foam. Foam is nonirritating. Foam's slow recovery provides comfort with low pressure. Noise Reduction Rating is 29 decibels. Earplugs fit a wide range of ear canals and are tested to ANSI S3.19-1974.
MMM 3111101 - 3m Aearo Corded Foam Earplugs - Moisture Resistant, Corded - Noise Protection - Foam - Yellow - 200 / Box