Silicone Ear Plugs for Sleeping, Reusable Waterproof Noise Cancelling Ear Protection EarPlugs for Sleeping, Mowing, Swimming, Airplanes, Concerts, 27dB Highest SNR. 【Ultra noise cancellation】These ear plugs for sleeping have the capacity of 27 DB SNR and can cancel out most of the irritating and unnecessary noises in our routine lives.
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