3M™ E-A-R™ Push-Ins™ corded push-to-fit foam earplugs provide extended hearing comfort, convenience and protection. Constructed of 3M™ E-A-Rform™ foam, these earplugs feature a no roll-down design and a blue stem for a quick and easy fit. Benefits •Poly bag keeps each pair of earplugs clean before use. •Blue stem makes insertion and removal easy and helps keep the tips clean when the wearer's hands are dirty •Test compatible with 3M™ E-A-Rfit™ Validation System •Noise Reduction Rating (NRR)* 28 dB. CSA Class AL