Soft PP Headband. without losing.</br>Noise reduction :25 db</br>Intended use for Sleeping, other noisy places, concentration, hearing protection.</br>Block noisy environment, have a quiet world, rest well, study well, sleep sweet.</br>Light, comfortable, Washable.Anti-fouling processing.</br></br>Product Description</br></br>Noise is another hazard, effective use of hearing protection. <br> Ear plugs and earmuff type hearing protection is recommended.<br> The simplest ear muffs, can lower noise exposure by 25 decibels and protect hearing cells from permanent damage.<br> Earplugs closely contact with external auditory canal, prevent noise and no bulge ears, no comfort, sound insulation effect is good. <br> Warranty Quality Guaranteed or any complaint,your Money Back!</br><br/>http://www.amazon.com/gp/product/B06Y3X2SQS