3M™ E-A-R™ Classic Soft™ Disposable Earplugs, Polyurethane, Corded, 31 NRR, 200 Pair/Box

Made of proprietary thermal-reactive foam, these plugs start out firm for easy fitting then soften from body heat for a comfortable fit. The classic cylindrical shape fits comfortably in most ear canals. Packaged in a poly bag to keep each pair of earplugs clean before use. Yellow plugs with or without blue poly cord. NRR: 31 dB. 200 pair/box; 10 boxes/case.

Click here to learn more about Noise Reduction Ratings (NRR).