HIGH SOUND INSULATION: Noise reduction earplugs are designed with private molding to effectively isolate noise interference and provide a peaceful sleeping environment. DESIGNED FOR SLEEPING: Noise cancelling ear plugs are equipped with powerful noise reduction technology to help improve the quality of sleep, allowing you to enjoy a deep sleep in silence. COMFORTABLE AND DURABLE: Sleeping earplugs are made of premium materials, which are soft and fit the shape of your ears without discomfort even after long time wearing. MULTI SCENARIO APPLICATION: Silicone earplugs are not only suitable for sleeping, but also can be used in student dormitories, offices and other situations, effectively isolate the noise interference. FLEXIBLE AND ADJUSTABLE: Silicone ear plugs come with 4 pairs of silicone eartips, which can be adapted to different ear canal sizes, providing a personalized wearing experience.