The only disposable detectable earplugs on the market, Laser-Trak® corded plugs are economical yet offer many advantages for users. They offer the highest attenuation of any detectable earplugs. Bright orange and blue colors make visual detection easy and Laser-Trak® plugs safety secured detectable components are significantly more traceable than those in other products. The pre-shaped polyurethane material and soft roll-down design make Laser-Trak® a comfortable choice as well. NRR 32dB. Sold 100 pair per box.