Disposable Uncorded Ear Plugs, Cylinder Shape, 29 dB, 200 PairsMfr #: 312 1201 SOFT SOUND ABSORBING FOAM: Proprietary foam is initially firm to make fitting the ear plug easier, then softens once its in the ear to comfortably conform to the unique shape of each ear canal OUTSTANDING COMFORT: This unique slow recovery, low pressure foam and special cylindrical shape help enhance comfort throughout the day by creating lower pressure in the ear canal SECURE: Exposed cell surface texture resists movement and helps