267 HPR410D Metal Detectable Reusable TPR Corded Ear Plugs NRR 27 Headgear Safety Helmets External access for easy battery Retail Eyewear External access for easy battery replacement and is washable for longer wear 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 TPR plug is to be cleaned using soap and water Can be reused several times