3M E-A-Rsoft Metal Detectable Roll Down Earplugs ES-01-011A {200 Pair}3M E A Rsoft Metal Detectable Roll Down Earplugs ES 01 011A {200 Pair} The 3M EARsoft Metal Detectable earplugs are made from slow expanding polyurethane foam material, that gives evenly distributed pressure allowing flexibility and a good seal with optimum comfort. With the advantages of the EARsoft with the added benefits of a blue detectable cord and an integral stainless steel ball in the non food blue earplug. Ideal for use in food manufacturing