3M™ Nitro™ Tattoo™ corded earplugs feature cutting edge graphics on neon green in a comfortable, tapered foam earplug for all-day wear with great protection. Benefits •Ultra-soft foam is tapered for easy insertion. •Designed for style-conscious workers. •Noise Reduction Rating (NRR)*: 32 dB CSA Class AL •Test compatible with 3M™ E-A-Rfit™ Validation System