Vinyl Corded Earplugs.
Soft flexible flanges adapt to the shape of the ear canal to form a triple-seal against noise. The 3M™ Tri-Flange earplug incorporates a plastic stem which allows for quick, clean and optimal insertion for maximum protection. It is moisture resistant, reusable and comes with a cord.
Attenuation: SNR=29dB, H=29dB, M=27dB, L=24dB