EARSNRBAG 3M E-A-RSoft Yellow Neon Earplugs Uncorded. The 3M E-A-R E-A-RSoft Yellow Neon Earplugs are made from a slow expanding polyurethane foam material. A plug that gives evenly distributed pressure allowing flexibility and a good seal with optimum comfort. The 3M E-A-R E-A-RSoft Yellow Neon Earplugs offer exceptional comfort with high levels of protection, made from slow expanding polyurethane foam material and is available with a cord. Attenuation: SNR=36dB, H=34dB, M=34dB, L=31dB Ref# PD-01-010