3M™ E-A-R™ TaperFit™ 2 regular -size uncorded foam earplugs feature smooth foam that expands in the earcanal to help provide comfortable hearing protection. Benefits •Poly bag keeps each pair of earplugs clean before use. •Soft polyurethane foam earplugs. •Noise Reduction Rating (NRR)*: 32 dB. CSA Class AL. •Test compatible with 3M™ E-A-Rfit™ Validation System.