3M™ 1100 Series Ear Plugs offer a tapered shape to fit the ear canal and are
made from hypo-allergenic material. The antimicrobial foam ear plugs are
recommended for moderate to high noise (up to 100 dBA TWA). They conform to the
unique shape of each ear for excellent hearing protection and comfort. The
plugs have a noise reduction rating of (NRR)*: 29 dB. 200 pairs per dispenser.