E·A·Rsoft is made from a slow expanding, environmentally friendly, polyurethane foam material. We have successfully developed an earplug that provides evenly distributed pressure, giving flexibility, a good seal with optimum comfort. E ·A ·Rsoft Yellow Neons are also available with a blue vinyl connecting cord, for use in food manufacture and food process industries. , SNR = 34dB, EN 352-2:2020