Ear Plugs for Sleeping Noise Cancelling -45dB, Hearing Protection with Soft and Reusable Silicone, Ear Plugs for Sleep Concerts, Flights, Work, Studying, Travel, Focus Earplugs (Black)

45dB Noise Reduction Earplugs: The sleeping earplugs adopt advanced sound insulation technology and are inlaid with multi-layer nano-polymer noise reduction particle attenuation filters, which effectively reflect and absorb sound waves to achieve up to 45dB noise reduction, filter out 90% of the noise, and can reduce harmful decibels to protect your ears in noisy environments.