267 HPR400D Metal Detectable Reusable TPR Corded Ear Plugs NRR 27 balaclava rather than pairs Ladies' size for good helmet rather than pairs Ladies' size for true fit on female hands with elastic wrist and boots making them very cost efficient Moderate attenuation allows for safe usage that blocks out hazardous noise yet allows warning signals and voices to be clearly understood dirt repellent surface Pre formed plug shape with no rolling required makes insertion simple Self sealing flanges give all day comfort Rigid stem makes insertion easy and reduces the risk of contamination Corded versions use a non resonating vinyl cord for comfort and easy storage Cord can be detached for added safety when working around machines