Mack's SafeSound Ultra Earplugs are molded with state-of-the-art super low-pressure, skinned and tapered foam Molded with state-of-the-art super low-pressure, skinned and tapered foam Provide unmatched comfort and improved hygiene High noise reduction rating (NRR) - 32 decibels For loud concerts, motor sports, sleep, shooting sports, power tools, etc .
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