3M™ E-A-Rsoft™ Yellow Neon™ Blasts™ earplugs seal the earcanal with soft, slow-recovery foam for excellent noise reduction and comfort. Benefits •Poly bag keeps each pair of earplugs clean before use. •Regular size fits most earcanals. •Soft foam earplugs are easy to roll down and insert, then expand within the earcanal for maximum comfort. •Noise Reduction Rating (NRR)* 33 dB. CSA Class AL. •Test compatible with 3M™ E-A-Rfit™ Validation System.