Uncorded "DYNA-FIT LITE" Disposable Earplugs | 200 Pairs | Dynamic Meets ANSI S3.19-1974 Regulation & Canadian Class A(L) Standards NRR 30dB Lime-Green - Cordless, 1 Pair per bag, 200 bags per dispenser box The highly innovative shape of the Dynamic "DYNA-FIT LITE" disposable earplug dramatically reduces the level of sound that can be built up in the inner ear when wearing hearing protectors. The innovative channel and cavity design increases the surface area and absorption. The earplug delivers softer acoustics and absorbs noise interference, making it possible to hear speech and warning sounds clearly. Soft foam offers superb comfort, even when worn all day. The inner cavity makes it easy to remove since its reducing the pressure on the outer wall of the ear canal.