Bullet Points:
<br />1.NRR SOUND TECHNOLOGY: Designed with 2 layers of professional noise dampening foam, high sealing solid cup and the unique double-hell, the ear muffs offer SNR 34dB for noise canceling.
<br />2.ANSI S3.19 &amp; CE EN521 CERTIFIED: Lab tested and certified to US and European standards. 
<br />3.ADJUSTABLE HEADBAND DESIGN: Designed with retractable stainless steel at the end of headband, the ear muffs can be adjusted to fit all sizes.
<br />4.COMPACT AND PORTABLE: Our lightweight ear muffs feature a foldable style as the ear cups collapse into the headband. Travel drawstring bag included for ease of packing them or to neatly store away, dust-free.
<br />5.SILENT YOUR WORLD: Ideal for shooting, racing, reading, studying and operating machinery to protect hearing, especially suitable for work in construction and landscaping work.
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<br />Specifications
<br />Color: Red/Black/green/blue/pink
<br />style1:for adult:Red/Black
<br />style2:for kids:green/blue/pink
<br />Muff Size: 3.9  3 inch
<br />Muff Size: 4.3 3.3 in (green/blue/pink)
<br />Earmuffs Weight: 10.9 oz
<br />Headband Size: 285   43mm
<br />Noise-reduction: NNR 28dB/SNR 34dB Red/Black 
<br />                         NRR 25dB/SNR 29dB(green/blue/pink 
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<br />Package Contents
<br />Earmuffs   1
<br />Carrying Bag   1
<br />User Manual   1