ProCase Ear Defenders

ProCase Ear Defenders Adults, NRR 28dB Noise Cancelling 1 - 1 BlacknProduct Detailsn--Constructed by solid ABS shell and thickened foam, the ear muffs achieve NRR 28 dB SNR 34 dB rating, ANSI S3.19 US certified, and effectively reduce the damage of high decibel noise while ...ProCase Ear Defenders Adults, NRR 28dB Noise Cancelling 1 - 1 BlacknProduct Detailsn--Constructed by solid ABS shell and thickened foam, the ear muffs achieve NRR 28 dB SNR 34 dB rating, ANSI S3.19 US certified, and effectively reduce the damage of high decibel noise while ensuring comfy wearingn--Ideal for lawn mowing, shooting, flight, construction, sports events, studying, factory, and woodworking, extremely suitable for operating heavy machinery or landscaping business, and for kids enjoying fireworks, monster jam. Also a good choice for the autismn--The flexible and ergonomic headband and 360 degree rotatable ear cups can be adjusted by pulling the metal rack to fit most sizes from kids to adults and various occasions. Kindly Note: For more efficient sound isolation, the earmuffs are snug and a little tight before using.