3M Peltor Optime 101 GreenBlack Cap Mount Earmuffs with 24 dB NRR feature a stainless steel headband for consistent force and effective hearing protection. ABS earmuffs have a cap-mounted design that allow for easy use with most hard hats. Earmuffs with liquidfoam filled cushions can take the loudest noise levels up to 101 dBA and are color-coded for compliance sighting. Application areas include assembly, cleaning, demolition, electrical, grinding, machine operations, painting, sanding and welding. Earmuff is suitable for industries like automotive, construction, food and beverage manufacturing, manufacturing, metal production and fabrication, military maintenance, repair and operation, mining, oil and gas, pharmaceutical and transportation.