Safety Works Foam NRR 33 dB Ear Plugs (80-Pair) reliable hearing protection with a noise reduction rating of 33 dB. These 160 bullet-shaped, expandable foam ear plugs come in a convenient resealable package to ensure secure storage and maintain hygiene. Their slow expansion design s a fit, making them i for use with power tools and in noisy environments such as aircraft cabins. These disposable ear plugs provide comfort and effective noise reduction for everyday use. Model Number: SW21380