Patented design provides highest rating for earmuff tested in an approved laboratory. Fully adjustable steel wire padded headband. Effective, lightweight, comfortable protection for loud conditions. NRR 30dB. Hearing Protector Type :Ear Muffs . Noise Reduction Rating :NRR 30dB. Adjustable Fit :Yes . AM/FM Radio :No . Pairs :1 qty . Disposable :No . Battery Required :No . Case Included :No .
