1. Skin-friendly silicone material: Made of soft silicone material, these malleable earplugs are lightweight and can be comfortably worn for a long time. Moreover, they are reusable. You can clean them regularly and let them air dry for future use. 2. Comfortable fit: These noise-reducing earplugs are designed to fit the ear canal without applying much pressure. They are suitable for both adults and children. The earplugs can cover the ear canal tightly and are less likely to fall out even when you sleep on your side. 3. Dual functions: These waterproof earplugs have good noise-reducing performance. They can reduce the noise from construction sites, concerts, traffic, etc., creating a more suitable environment for sleep or study. At the same time, they also have waterproof properties and can protect your ears when swimming. 4. Good sleep aid effect: These soft silicone earplugs for sleep can create a comfortable and well-fitting soundproof barrier, which may help you enter a deeper rapid eye movement (REM) sleep stage. They are suitable for light sleepers and can be worn comfortably throughout the night (or during the day if you work night shifts). You may feel more relaxed when you wake up. 5. 32 dB SNR noise-reducing earplugs: The noise reduction level of these earplugs reaches 32 dB SNR, which can effectively block loud noises and help protect your hearing. They are a good choice for swimming, studying, sleeping, and general hearing protection in noisy environments.