Leight Source 500 Contoured Bell Polyurethane Foam Uncorded Earplugs NRR: 33 dB - 500 per Box (Product # Max-1-D)

- The world's most-used polyurethane foam earplug- Bell shape delivers maximum in ear comfort- Contoured design easier to insert, resists tendency to back-out of ear canal- Polyurethane foam enhances comfort, especially for long-term wear- Smooth, soil-resistant closed cell-foam skin prevents dirt build-up                          - 500 per Box                                                                                                              - NRR: 33 dB