Industrial Earmuffs Noise Blocking Hearing Size Folding Ear Muffs for Baby Adults

HARM OF NOISE: Repeated exposure to an environment greater than 85dBA will turn to permanent hearing loss or tinnitus, accompanied by other health problems, including hypertension, anxiety, sleep disorder, insomnia and fatigue. COMFORTABLE WEARING: An ergonomic headband with soft padding reduces pressure on the head and provides excellent comfort. The spacious interior of the ear cup ensures breathability, while the soft faux leather provides a tight sound insulation sealing. ABS AND SOUND ABSORBING COTTON MATERIAL: Made of a sturdy ABS and thickened noise reducing sound absorbing cotton, the ear muffs have an NRR rating of 28dB and can block a lot of noise. Item Type: Earmuffs Material: ABS, Sound Absorbing Cotton Applications: Sports events, concerts, renovation of buildings, car speakers, learning, sleep, etc.