Soft Foam Ear Plugs with Aluminum Carry Case, 60 Pairs - 38Db Noise Reduction Sponge Earplugs Noise Cancelling Ear Plugs for Sleeping, Travel, Concerts, Studying, Work, Loud Noise (Orange). [Noise cancelled] : Foam earplugs carry 38dB SNR, competent to block out loud noises for hearing protection, shut out distractions when sleeping and aid concentration when studying.
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