Low pressure polyurethane foam ear plugs expand gently for comfortable long-term wear. Smooth, soil-resistant closed cell-foam skin prevents dirt build-up. Bell shape delivers maximum in-ear comfort Contoured design easier to insert, resists tendency to back out of ear canal. - 200 pair per box- Orange in color- Noise Reduction Rate (NRR) : 33 dB- Maximum Attenuation @ Frequency : 46.200 dB @ 8000.000 Hz- Coral- Uncorded- Poly bag packaging ...