Blasts earplugs provide an exceptional combination of comfort and attenuation in hearing protection. Blasts disposable earplugs are designed with soft, smooth foam for comfort and are our highest noise reduction earplug with a noise reduction rating (NRR) of 32dB. Corded version reduces chance of loss.Features: Peltor Sport's highest noise reduction rating (NRR) earplug at 32 dBSoft foam expands slowly to fit comfortably2-pair pack includes storage container to help keep plugs clean when not being wornEasy to insert and removeCord helps reduce the chance of loss when not in useMade in USA with globally sourced materials