3M Typical Style Corded Reusable Earplugs, NRR 25DB

3M corded, reusable earplugs. NRR 25dB. Triple flange design for a comfortable, snug fit. Handy storage container keeps earplugs clean when not being worn. Washable. Cord reduces the chance of earplugs falling into work area and allows for easier in/out application.