Earplugs: 100% sponge product description: The hustle and bustle of life is gradually gone, and after a long-lost comfortable sleep, it feels good to wake up naturally. Enough of noise interference Just wear earplugs and feel the perfect distance between the world and you.Three layers are suitable for large ear canals, two layers are suitable for small ear canals Does the noise in the environment make you feel crazy Professional noise reduction earplugs, enjoy the softness of baby's skin and comfortable sleep Inferior sponges often use low-cost raw materials and production equipment. These earplugs have low density and poor sound insulation. The wearers ears are swollen and uncomfortable. Gradually push the earplugs into the ear canal, leaving it to the outside 1/3, which can well block external noises without any damage to the ear canal The earplug rebounds too fast, which affects the wearing comfort. It starts to rebound before it is put into the ear canal. If the rebound is too slow, you need to hold the earplug with your hand, which affects the use. Industrial standard strength noise reduction, average noise reduction 36Db (decibel) Instructions for use: 1.Rub the earplugs back and forth into a uniform slender strip, the thinner the better (remember not to squeeze, you cannot squeeze Deep into the ear canal) 2.Wear both hands at the same time, one hand goes around the back of the head and lifts the upper auricle to straighten the ear canal, while the other rotates Slowly insert the rubbed earplugs into the ear canal 3.Use your fingers to block the bottom of the earplugs for 10~30 seconds, and feel the earplugs slowly rebound to fill the ear canal Earplug cleaning method 1.The earplugs do not need to be cleaned for the first use, and can be used immediately after opening the box. When cleaning, it is recommended to use wet wipes or wipe clean with paper towels, cotton, etc.