NRR:33dB
bullet earplugs,waterproof,anti-sandstorm and bug-repellen.Soft and comfortable,Non-toxic,Non-irritant and reusable.
Good noise reduction effect.
Perfect for lasting comfortable.
Perfect for high noise level circumstance,swimming,surfing,racing,shooting,travelling,bathing,sleeping and studying.
TEL:86-0552-7288926
FAX:0086-0552-4076068
E-mail:yan806758989@sina.com
MSN: Angelia892011@hotmail.com