3M E-A-R™ Classic™ Roll Down Earplugs CC-01-000 feature all the benefits of our Classic Earplugs PP-01-002, but with the addition benefit of an easy-to-see blue vinyl cord. Box Quantity 200 pairs. Soft energy-absorbing polymer foam. A firm material with slow recovery time helps to achieve a good fit. The special cylindrical shape fits most ear canals and provides a reliable seal. Low equilibrium pressure helps to reduce ear canal pressure, thus increasing both comfort and wearability. The exposed cell surface texture resists movement and helps to maintain an effective seal. Excellent sound attenuation characteristics. Resists sweat and humidity, providing increased comfort in hot and humid conditions. Also available as uncorded ear plugs.