E·A·Rsoft™ is made from a slow expanding, environmentally friendly, polyurethane foam material. The earplug provides evenly distributed pressure, giving flexibility, a good seal with optimum comfort. Features colorful blazing red flames on yellow to increase worker acceptance. Regular size. NRR 33dB. Tested to ANSI S3.19-1974 standard. 200 pair per box. 10 boxes ber case. Sold by the Box.