Neiko 53925A Safety Ear Muffs, NRR 26 dB, Adjustable, ANSI S3.19-1974 Approved 26 dB NOISE REDUCTION: Best value ear muff protectors with 26 dB noise reduction rating (NRR) ANSI &amp; CE CERTIFIED: Meets US and European Union hearing protection standards (ANSI S3.19-1974, CE EN-352) MULTIPLE USES: Ideal ear protection for mowing, grinding, drilling, construction sites, and shooting ranges ONE SIZE FITS ALL: Adjustable headband and ear cups ensure universal fit LIGHTWEIGHT COMFORT: Lightweight design and cushioned ear pads provide maximum comfort for all day wear