With its bell-shaped design, 3M™ E-A-R™ E-Z-Fit™ uncorded foam earplugs help provide a soft, comfortable sound barrier for excellent noise reduction and reliable, comfortable hearing protection. Benefits •Poly bag keeps each pair of earplugs clean before use. •Ideal for smaller earcanals •Noise Reduction Rating (NRR)* 28 dB. CSA Class AL. •Test compatible with 3M™ E-A-Rfit™ Validation System