3M Peltor Optime 105 Over the Head Earmuff， Ear Protectors， Hearing Protection， NRR 30 dB</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Noise Reduction Rating of 30dB</li><li>Superior comfort， fit， and hearing protection</li><li>Patented twin-cup design</li><li>Recommended for extremely loud conditions</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51sYIGWjcRL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41s-ZWcl7XL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51wNGssqsML.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51SSQdQyhJL.jpg' noproxy></br>