... -2 CE Certification 2,quality assurance 3,superior services 4,reasonable price 5,promptly supplies 1, Description: PU foam earplug2, Certification: CE ... , Suitable environment: all kind of noisy environment8, Cord: all the earplugs can come with cord or without cord 9, Package: opp ... : paper carton,can also print logo on the surface. PU Foam Earplugs with Aluminium Airpower ANSI