Noise Cancellation: The sleeping earplugs are made of high quality silicone, which is better noise cancellation than foam earplugs. Our silicone earplugs reduce noise by 27dB, one of the highest available and suitable for long-lasting use. Reusable and malleable: noise-canceling earplugs are designed to adapt to the ear canal with less pressure, suitable for adults and users who are not comfortable or do not like earplugs. They can be arbitrarily shaped and worn for a long time, fit the ear canal, reduce foreign body sensation. These earplugs cover the ear canal tight enough not to fall out even when you sleep on your side. Sleep earplugs are not disposable and can be reused. Comfort and safety: our premium quality 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 contain no harmful chemicals, are gentle on your skin, and the daily storage case is BPA-free, ensuring your health and well-being. Multi-function: The waterproof earplugs have a good seal at 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 carrying case travel to keep these reusable earplugs safe and clean when not in use, eco-friendly for travel and commuting, also to prevent loss.