Noise Canceling: The earplugs for sleeping are made of high-quality silicone, which is better noise canceling than foam earplugs. Our silicone earplugs reduce noise by 27dB, one of the highest available and suitable for a long life.Reusable and malleable: The noise canceling earplugs are designed to fit the ear canal with less pressure, suitable for adults and users who are not comfortable with or do not like earplugs. These earplugs cover the ear canal tightly enough that they won't fall out even when you sleep on your side. Sleep earplugs are non-disposable and can be reused.Comfortable and safe: Our premium earplugs are lightweight and comfortable to wear even for a whole day, do not cause pressure, pain, irritation or itching as they are made of non-toxic, food grade soft silicone. They do not contain harmful chemicals, are soft and gentle on your skin and the daily storage case is BPA free, ensuring your health and well-being.Multifunction: The waterproof earplugs have good