3M™ E-A-R™ Classic™ uncorded earplugs set the standard in hearing protection as the world's first foam earplugs. Classic™ Plus earplugs are slightly longer than regular E-A-R™ Classic™ earplugs for higher noise reduction when fit deeply in the earcanal. Benefits •Reusable Pillow Pack helps keep earplugs clean when they are not being worn. •Classic™ Plus earplugs are slightly longer than regular E-A-R™ Classic™ earplugs to fit deeper into the earcanal and provide higher noise reduction. •Flame-resistant and moisture-resistant. •Test compatible with 3M™ E-A-Rfit™ Validation System •Noi