Prevents water from entering the ear canal while swimming, and also blocks noise to create a quiet space for concentration or rest. Made from high-density silicone for a secure, comfortable seal that reduces ambient sound and keeps ears clean and dry. Ergonomic, elastic design adapts to different ear canal shapes so you can wear them for extended periods without discomfort. Waterproof and dustproof construction protects hearing and reduces the chance of debris or moisture reaching the ear canal. Key features Function: Water-blocking earplugs that also provide passive noise reduction for studying, working, sleeping, travel and swimming. Material: High-density silicone — flexible, durable and gentle against skin. Fit and compatibility: Snug, ergonomic shape conforms to a variety of ear canal structures; suitable for extended wear. Performance: Reliable sound insulation and a tight waterproof/dustproof barrier to keep ears dry and reduce distractions. Comfort: Elastic silicone minimizes pressure and discomfort during prolonged use. How this product solves problems Keeps water out during swimming so your ears remain dry and less exposed to contaminants. Reduces background noise for better focus during study or work, and for more restful sleep or travel. Provides a secure fit without hard edges or rigid components that can cause irritation after long use. Typical use scenarios Swimming laps or watersports: Prevents water from entering the ear canal and helps keep ears dry. Studying or office work: Lowers ambient noise to improve concentration and productivity. Travel and rest: Creates a quieter environment on airplanes, trains or in shared spaces to help you relax or sleep. Notes on care and use Soft silicone material allows comfortable insertion and removal. Inspect before use and replace if damaged. Designed to provide a close, reusable fit for general-purpose water protection and noise reduction.