MOLDEX Spark Plugs (10 Pairs)

These are soft earplugs that use low-resilience urethane material to provide a comfortable fit. Moderate resilience creates the best fit. Hygienic individual packaging Individual packaging allows you to use it in a clean condition every time. In consideration of the environment, we do not use any PVC that generates harmful substances. You can use it with confidence. NRR (Noise Reduction Rating: Noise Attenuation Evaluation Value) = 33dB. Boasts top-class sound insulation performance among all earplugs. )