... -irritating. Comfortable, good noise reduction effect, 1.foam earplugs, soft,comfort, noiseproof feature, washable, useful2 ... ..low cost, all day protection with high attenuation and comfort3.plugs are reshaped, tapered ... variety of temperature and humilities.6.this earplug virtually eliminates pressure on the ear canal, ... , protect, traveling,air or others. Foam earplug with plastic box