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. Peltor Sport's highest Noise Reduction Rating (NRR) earplug at 32 dB Soft foam expands slowly to fit comfortably 3-pair pack includes storage container to help keep plugs clean when not being worn Easy to insert and remove Made in U.S.A. with globally sourced materials