PU foam earplug,reusable, linked with a PP folding head fastener ... Name:EARPLUGS LINKED WITH FOLDING HEAD FASTENERColour:Yellow / BlackDescription :Polyurethane foam earplugs, reusable, linked with a polypropylene folding head fastener which ... worn sporadically or occasionally. Packed in individual box.Materials:Polyurethane foam and polypropylene head fastener.Weigth : 15 gInstructions for use:These ...