Peltor Sport Blasts Disposable Earplugs Blasts(TM) Earplugs provide an exceptional combination of comfort and attenuation in hearing protection. Blasts(TM) 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. Description: Color: Yellow Noise Reduction Rating 32 Decibel Product Line: 3M Safety Product Usage: Shooting and Hunting Peltor Sport&';s highest Noise Reduction Rating (NRR) earplug 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