Noise Cancellation: 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 long life. Reusable and malleable: Noise canceling earplugs are designed to fit the ear canal with less pressure, suitable for adults and users who are uncomfortable with or dislike earplugs. These earplugs cover the ear canal tight enough not to fall out even when you sleep on your side. Sleep earplugs are non-disposable and can be reused. Comfortable and safe: our premium quality earplugs are lightweight and comfortable to wear even for a whole day, do not cause pressure, pain, irritation or itchy as they are made of non-toxic food grade soft silicone. They contain no harmful chemicals, are soft and gentle on your skin, and the daily storage case is BPA-free, ensuring your health and well-being. air and good noise reduction performance, suitable for many occasions such as construction sites, concerts or traffic. With good water resistance, the earplugs can also be worn while swimming to protect your ears from water. Travel packaging: the package includes 6 pairs of earplugs with 1 travel case for keep these reusable earplugs safe and clean when not in use, great for travel and commuting, also prevent loss.