Ear-Friendly Silicone MaterialMade of soft silicone material, the moldable earplugs are lightweight and comfortable to wear even all day, and they are reusable, you just need to clean them regularly and let them dry naturally for future use. Comfortable FitNoise-canceling earplugs are designed to fit the ear canal without any pressure, suitable for adults and children, these earplugs cover the ear canal tightly enough and will not fall out even when lying on your side. Dual FunctionThe waterproof earplugs have good noise reduction performance, which can eliminate the noise of construction sites, concerts or traffic, allowing you to have a better sleeping or learning environment; the earplugs have good waterproof performance and can also protect your ears when swimming. Sleep BetterDeep Sleeps soft silicone earplugs create a comfortable and fitting noise barrier. This can help you achieve deeper REM sleep (rapid eye movement sleep). Great for light sleepers - comfortable to wear all night (and comfortable to wear during the day if you work night shifts), and feel more relaxed when you wake up! 32dB SNR Noise-canceling EarplugsThe earplugs have 32dB SNR, which can block loud noises to protect hearing. It's perfect for swimming, studying, sleeping, and general hearing protection in noisy environments.