Features:-Equipped with 2 layers of professional sound-absorbing foam, high-density rigid shell and the unique double shell, the earmuffs offer 34dB SNR (noise reduction rating) for noise cancellation. -The shell is made of ABS material, which is anti-fall and wear-resistant, and has a long service life.-Adjustable headband to achieve full vertical adjustment for a perfect fit. The extendable stainless steel at the end of the headband offers flexible adjustment.-Ideal for shooting, hunting, sporting events, concerts, festivals, learning and operating machines to protect hearing, especially suitable for construction and landscaping work.Specification:Colour: blackMaterial: plastic+metal+high density spongeMuff size: 3.94*2.95 inchHeadband size: 11.2*1.69.
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