Why you need Lizhi anti-noise earplugs A noise nuisance would be a significant and unreasonable emission of noise, that affected you in a significant and unreasonable way. A noise nuisance may be caused by many activities including music, DIY, fans and motors and barking dogs. Unfortunately, noise from road and air traffic cannot be dealt with. The Lizhi anti-noise earplug provides all-day comfort and increases your acceptance. How to protect you from noise nuisance with Lizhi anti-noise earplugs Lizhi anti-noise earplug is also called mute earplug, sound insulation earplug. It has a high deformability to fit different ear because of the application of imported polyester material. The soft anti-noise earplug moulds to your ears for a unique airtight fit. Lizhi anti-noise earplug impinge on external ear to avoid sound arrive eardrum and inner ear through aperture. Non-irritating, smooth surface added comfort. How to use Lizhi anti-noise earplugs Disposable Ear Plug Fitting Instructions: It is important to make sure your earplugs are inserted and fit properly, or you won't get the full benefit of their noise attenuation. Here's something about how to wear earplugs. Before fitting any ear plugs, make sure your hands are clean! Hold the ear plug between your thumb and forefinger. Roll and compress the entire ear plug to a small, crease-free cylinder. While still rolling, use your other hand to reach over your head and pull up and back on your outer ear. This is important! This straightens the ear canal, making way for a snug fit. Sometimes it helps to hold your mouth and throat open whilst inserting the earplugs. Insert the ear plug and hold for a few seconds. This allows the ear plug to expand and fill the ear canal. When properly inserted, the ambient sound level should drop way down as the earplugs expand. You'll feel like the "world's closing in on you" as some have mentioned. The features of Lizhi anti-noise earplug Features: 1. Reduce the interference caused by noise. 2. Non-irritating, smooth surface added comfort. 3.Long life due to the process of embalmment. 4.Convenient use Package Package: wrapped with OPP small sack. Product