[Noise-Cancelling Earplugs] - A unique patented earplug with a three-layer umbrella structure. Once the silicone earplugs enter the ear, they form a triple noise barrier. As the noise is transmitted, it will be reduced layer by layer, thus minimizing the noise.[Soft and comfortable, not easy to fall off] - The earplugs anti- noise are made from anti-allergic nano-silicone.Each pair of silicone earplugs are small and lightweight, which can minimize the pressure on the ears. The ear canal can be better close to the ear canal, and it is not easy to fall off. Whether you sleep on your side or in other sleeping positions, you can easily enjoy a comfortable sleep, suitable for long-term wearing.[Reusable and easy to clean] - The material High quality silicone reusable earplugs has good water resistance, and attached dirt can be easily washed off with water. After washing and drying, the earplugs are like new, hygienic and practical, and have a long service life.[Easy to carry, suitable for various scenes] - The earplugs are lightweight and small, with a storage box included, which is convenient to carry and can be used in various scenes. Whether it's swimming, sleeping, self-study, working, operating machines or concerts, it can meet your noise reduction needs and provide you with a quiet space. p>[Unique design suitable for different listening channels] - The three-layer umbrella structure, from small to large, can effectively block noise and perfectly adapt to different listening channels.