EARSNRBAG3M 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. SNR = 34dB, EN 352-2:2020