A. Skin-friendly silicone material: These earplugs are made of soft silicone material. They are malleable, lightweight, and comfortable to wear for an extended period. Additionally, they are reusable. You can clean them regularly and let them air dry for further use. B. Comfortable fit: These noise-reducing earplugs are designed to fit the ear canal without exerting excessive pressure. They are suitable for both adults and children. The earplugs can tightly cover the ear canal and are less likely to fall out, even when sleeping on your side. C. Dual functions: These waterproof earplugs have good noise-reducing performance. They can reduce noise from construction sites, concerts, traffic, etc., creating a more suitable environment for sleep or study. Meanwhile, they also have decent waterproof properties and can protect your ears when swimming. D. Good sleep aid effect: These soft silicone earplugs 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 waking up. E. 32 dB SNR noise - reducing earplugs: The noise reduction level of these earplugs reaches 32 dB SNR, which can effectively block loud noises and protect your hearing. They are a good choice for swimming, studying, sleeping, and general hearing protection in noisy environments.