Noise Reduction Rating (NRR) 25 dB</br>Includes storage case</br>Comfortable to wear over extended time</br>Corded reusable earplugs</br>Used to help protect ears against noises at or exceeding 85 decibels</br>Triple-flange design for a comfortable?? snug fit</br>Cord reduces the chance of losing earplugs</br>NRR 25 dB</br></br>Product Description</br></br>3M Reusable Corded Earplugs are used to help protect hearing against noises at or exceeding 85 decibels. Features a triple-flange design for a comfortable?? snug fit. Attached cord reduces the chance of losing your earplugs between projects.</br><br/>http://www.amazon.com/gp/product/B00284DIPK