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… [Read more] in the plug and metal particles in the cord. Yellow plug with blue cord. NRR: 30 dB. 200 pair/box; 10 boxes/case.
Click here to learn more about Noise Reduction Ratings (NRR).