1,EN352-2 CE Certification earplug 2. client logo printing will be avaliable on the surface 3. colors of earplugs up to client 1, Description: disposable earplug for noisy reduction2, Material: eco-friendly foamed PU3, MOQ: 10000 pairs4, Color: Up to client5, Cord:all the earplugs can come with cord or without cord choose6, Daily output: 100,000 pairs per day7, Certification: CE Certification8, ...