Earplug or aviation earplug,protect your hearing from noise. S/N:29db Mareial:memory PU foam

1.low cost, all day protection with high attenuation and comfort,
2.noiseproof feature
3.plugs are reshaped, tapered and rolled small for easy insertion and expand to the shape of your ear canal, to five you a custom fit.
4.smooth, soil resistant skin is non-allergenic and non-irritating.
5.outstanding performance in a variety of temperature and humilities.
6.this low foam earplug