PU-foam Earplug with highly innovative shape Reduction of inner ear sounds, which normally grow lower when earplugs are worn Excellent voice perception for improved communication Low sound absorption No risk of over-protection Also for wearers smaller ear canals Sealed surface, preventing foreign bodies from penetrating Soft foam offers real comfort, even when worn for extended periods Conforms to EN 352-2:2020 SNR 26db, H=30, M=23, L=18