How terrible the noise is! Noise pollution is the disturbing noise with a harmful impact on the activity of human or animal life. The source of outdoor noise worldwide (environmental noise) is mainly caused by machines and transportation systems, motor vehicles engines and trains. Poor urban planning may give rise to noise pollution side-by-side industrial and residential buildings can result in noise pollution in the residential areas. Indoor noise also exists, such as snoring husband, noisy music, crying baby, decoration companies...High noise levels can contribute to health problems. AMAZKER Earplugs cannot stop the occurrence of noise but can protect your ears and hearing!The Best Investment to Protect Your Ears and Prevent Noise-Induced Hearing Loss! Earplug reduces noise, so you get a good night's sleep. Sleep is essential to mental health and a good nights rest.GENTLE & COMFORTABLE: Sleeping ear plugs rebound slowly within 60s. Soft and comfortable sleep ear plugs to release the burden of the ear canal.PRACTICAL: 60 pairs soft foam ear plugs can last long even if everyday use. Please replace a new pair after every 7 days.VERSATILE: Ear plugs for sleeping,earplugs for snoring,ear plugs for work, construction, concerts, hunting, shooting, and general hearing protection from all types of loud activity.CONVENIENT: Customer will get a portable carry case for free. An anti-stick interior guarantees reusable ear plugs will always be easily removed. Warm Tips:1.Roll (not squeeze) earplugs to a very thin tube 2.Insert into your internal ear canal very quickly 3. Hold in the place for the 60s to wait for the earplugs expanding. 4.Please seal earplugs in the plastic bottle to avoid oxidation when not in use. Longtime exposing in the air, earplugs become hard and even lose memory. Are you still looking for ear plugs for noise reduction? Let's try these earplugs!