Minimizing Noise Earplugs For Sleeping: - Earplug for sleeping with unique patent design, three-layer umbrella structure. Once the silicone earplug enters the ear, it forms a triple noise barrier. When the noise passes, it will be reduced layer by layer, thus minimizing the noise. . Soft and Comfortable, Not Easy to Fall Off: - Noise-cancelling earplug uses anti-allergy nano silicone material, each pair of silicone earplugs are small and light, which can minimize the pressure on the ear canal and can be closer to the ear canal, and it is not easy to fall. Whether you sleep on your side or in other sleeping positions, you can easily enjoy comfortable sleep, suitable for long-term wearing. . Reusable and Easy to Wash: - The high quality silicone material of the reusable earplug has good waterproof performance, and the attached dirt can be easily rinsed off with water. The earplugs will look like new after washing and drying, which is hygienic and practical, and has a long service life. . Unique Design Adapt Different Hearing Canals: - The three-layer umbrella structure, from small to large, can effectively block noise and perfectly adapt to different ear canals. We attach great importance to the customer experience, if you encounter any problems during use, please feel free to contact us, we will definitely provide you with a satisfactory solution, including product replacement or a full refund. .