3M E-A-R Soft Earplugs, Corded, Yellow Neon, 8052911033, 200-Pair These corded foam earplugs feature soft, slow-recovery foam for comfort and outstanding noise reduction. Soft foam earplugs are easy to roll down and insert, then expand within the earcanal for a comfortable, secure fit. Features: Poly bag keeps each pair of earplugs available or accesible for re-use.Regular size fits most earcanals.Noise Reduction Rating (NRR): 33 dB. CSA Class AL. Test compatible with 3M E-A-Rfit Validation System. 31.50 L.