3M 1110 corded foam earplugs feature soft, hypoallergenic foam and a tapered design to fit comfortably in the earcanal. Equipped with a comfortable, cloth cord to help prevent earplug loss. Soft, corded foam earplugs that conform to the unique shape of each ear for excellent hearing protection and comfort. Corded for convenience and to prevent loss of earplugs. Smooth, dirt-resistant surface for hygiene - Comfortable for a wide range of earcanal sizes - Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL.