describe:Professional noise-reducing earplugs, sleep comfortably andsleep soundly. Shaped earplugs. The special-shaped earplugscan adapt to the different ear canals of each person to achievea good fit, so that your feeling of use will not be affected.In order to have a better sound insulation effect, please cleanthe ear canal with a cotton swab or napkin first, then take outthe shaped earplugs, divide the earplugs into two, squeezethe earplugs into strips, press the earplugs with your index finger,and insert them into the ear canal to fill it . The molding is completeand you can start to shield the noise.Not only is it suitable for different ear canals, but compared tosponge earplugs, the molded earplugs are smoother and willnot feel swelling and pain after wearing for a period of time.After a long time, it is still very comfortable.In addition, the ears cannot be used for sleeping, and the soundinsulation effect is good. Designed for comfort, a large number of3D scans of geometric structures were carried out, and a smallpea-sized earplug was made based on this data, which is flexibleand comfortable, and fits the contour of the upper part of the ear.It is suitable for use in the library, sleeping and some noisy scenes.