3 - Recipients always "sound" off on how much they love ANSI sound protection earmuffs! Blocking out potentially damaging external noises by completely covering the outer ear, this earmuff set meets or exceeds ANSI standards with its noise reduction rating of 24 dB. With cushion padding, it's designed to be worn while in industrial areas, factories or other loud areas where exposure to noise can be hazardous. Your imprint is on one side only. Order now!