3M Foam Safety Neon Earplugs Workplace Noise Reduction Uncorded Disposable PlugThe 3M E A Rsoft Yellow Neons Uncorded Earplugs, seal the earcanal with soft, slow recovery foam for excellent noise reduction and reliable hearing protection. Perfect for commercial use In compliance with Australian and New Zealand Standards (AS NZS 1270: 2002) with a Class 4 rating, This earplug is effective in providing protection up to 105 decibels (SLC80 23dB). The tapered earplugs are easy to roll down and insert, then expand within the earcanal