Product Specification: Size: 10.2×17.8×20.3 Weight: 213.0 grams Thickness: 15.00 Centimeters Material Type: Polycarbonate Electrically Insulated: Yes Certification: ISO, CE, EN Hearing Protection Style: Over the Head Shape: Ear Muffs Brand: 3M Origin: USA The sound of machines in the factories, the sound of buses and trucks on the roads, these seem to be everyday things. All of this can lead to nervous weakness and impaired cognition. So, to get rid of this problem, you should use ear muffs or good quality ear plugs, then it is possible to avoid this noise pollution.
