Product Details: Features: Skin-friendly and reusable material: The sleeping earplugs are made of skin-friendly silicone material, which will not cause inflammation of the eardrum and will not put pressure on the ears when sleeping on the side. These reusable earplugs can be washed at any time for continuous use. They are skin-friendly, odorless, not easy to deform, and remain as good as new even after hundreds of uses. Comfortable and ergonomic design: Our earplugs adopt a lightweight semi-in-ear design, combined with ergonomic design to create a smooth fit, isolate external noise, help you immerse in silence, fall asleep and enjoy a deep sleep. Wearing is more comfortable and fits well, achieving long-lasting and comfortable wearing without a sense of burden. They come with a small storage box that can be carried around to prevent dust and always keep the earplugs clean. Suitable for various scenarios: Our noise reduction earplugs are suitable for various scenarios, designed to protect customers' hearing health while providing them with the most comfortable experience. Whether you want to sleep, work, concentrate or just block background noise, these earplugs are your most correct choice. Advanced Noise Reduction and Sleep Aid Integration: These earplugs utilize acoustic technology for passive noise reduction, combined with scientific sleep aid. The combination of noise reduction and sleep promotion makes it easier for people to fall asleep. With 4 levels of pure physical sound insulation noise reduction, the noise is reduced to 30dB.