E-A-R Soft Large Yellow Neon Uncorded In Polybag Dermatologically safe foam is non-irritating to the skinSelf-adjusting foam provides low pressure with excellent attenuation*The NRR may overestimate the hearing protection provided during typical use3M is Leading the Advancement of Hearing Conservation?3M recommends reducing the NRR by 50% for estimating the amount of noise reduction providedLarge size fits people with larger earcanalsNoise Reduction Rating NRR * 33 dB. CSA Class ALPoly bag keeps earplugs clean before useSoft foam earplugs are easy to roll down and insert, then expand within the earcanal to help reduce noise exposureTest compatible with 3M? E-A-Rfit? Validation SystemThese uncorded foam earplugs offer a soft, low-pressure solution for comfortable wear Noise Reduction Rate NRR 33 dBSize Group LargeColor YellowType UncordedPacking Type Poly BagQuantity 200 pair per boxWt. 0 lb