These 3M disposable ear plugs are made from soft, hypo-allergenic polyurethane foam for maximum comfort. They have a smooth, dirt-resistant surface and a tapered design to fit most ear canals. Conforming to EN352-2:2002 CE marked. SNR=37dB H=37dB M=34dB L=31dB. Sold in a bulk box of 200 pairs.
