3M™ E-A-R™ Push-Ins™ earplugs provide all-day 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 earplugs clean before use. •Blue stem makes insertion and removal cleaner and easier. •Test compatible with 3M™ E-A-Rfit™ Validation System •Noise Reduction Rating (NRR)* 28 dB. CSA Class AL