Sole PU/Rubber

and particulates

it is a 4 layer of activated carbon filter protective filter breathable mask for germ protection

453-09-25P

3M™ Foam Earplugs 1100, Uncorded angle grinder cordless Sole PU/Rubber3M Foam Earplugs 1100, Uncorded, 1000 Pair Case 3M Foam Earplugs 1100 Specifications Attenuation 29 Decibel Brand 3M Case Quantity 1000 Corded No Cord Type None Dielectric Yes Dispenser Available No Earplug Material Foam Earplug Size Regular Electrically Insulated Yes Hearing Protection Style Roll Down Foam Insertion Style Roll Down Material Polyurethane Metal Detectable No Moisture Resistant No Packaging Poly bag Product Color Orange Product Type