Disposable hygienic corded ear plugs for high-level hearing protection. Tapered end for added comfort expands to fit. Protection levels: H=33dB M=31dB L=28dB SNR=34dB. Conforms to EN352-2:2002. Disposable hygienic corded ear plugs for high-level hearing protection. Tapered end for added comfort expands to fit. Protection levels: H=33dB M=31dB L=28dB SNR=34dB. Conforms to EN352-2:2002.