3M™ E-A-R™ Push-Ins™ Metal Detectable Reusable Earplugs, Foam, Corded, 28 NRR, 200 Pair/Box

Soft polyurethane foam tips and blue stem makes fitting and removal easy, and helps keep the tips clean when wearer's hands are dirty. Features a stainless steel ball bearing in the plug and metal particles in the cord. These non-disposable earplugs can be washed for extended wear. NRR: 30 dB. 200 pair/box; 10 boxes/case.

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