Black silicone earplugs, 45 dB noise reduction, sizes S/M/L, ultra-comfortable and reusable, effective noise cancellation, sound insulation, ideal for sleeping, traveling, concentrating

High-efficiency 45dB noise reduction: These noise-canceling earplugs feature a third-generation acoustic filter and premium-density absorbent materials, eliminating 95% of low-frequency noise. They provide professional-grade sound isolation, effectively blocking construction noise, traffic, snoring, and ambient noise, creating a quiet environment perfect for resting, working, and concentrating in any situation. Ultra-comfortable ergonomic design: The earplugs conform to the anatomical structure of the human ear canal, reducing pressure and protecting the delicate skin of the ear canal. They adapt naturally without coming loose, even during head movements or sleeping on your side, suitable for extended use of up to 8 hours without discomfort for adults of all ear types. 1 pair M + 3 spare pairs S/M/L for all ear types: The earplugs include 1 pair of main earplugs in size M and 3 pairs of spares in S/M/L, allowing you to choose the perfect fit for small, medium, and large ear canals. They solve the problem of earplugs that don't fit or fall out, making them suitable for adults, children, and teenagers, ideal for sharing or adapting to different hearing needs. Compact and portable with a storage case: The earplugs come with a sturdy and lightweight plastic case, compact enough to be stored in a pocket, wallet, suitcase, or backpack. Protects earplugs from dust and damage, making them easy to carry for air, train, and bus travel, concerts, business trips, and outdoor outings. Your portable noise-canceling companion anywhere. Reusable and hygienic soft silicone: These silicone earplugs are made of ultra-soft medical-grade silicone, odorless and irritation-free, reusable, and easy to clean with soapy water. They effectively inhibit bacterial growth, maintain long-term hygiene, protect hearing health, and reduce waste. They are an eco-friendly and economical choice for everyday use. Product and quantity: 1 pair of black silicone earplugs (size M, main) + 3 pairs of silicone replacement earplugs (S/M/L) + 1 portable storage case, a complete set of reusable noise-canceling earplugs. Specifications and materials: 45 dB noise reduction, 3rd generation acoustic filter, high-quality soft medical-grade silicone, anatomically ergonomic design, reusable, waterproof, odorless, and non-irritating to the skin. Functions and objectives: Effective noise cancellation and isolation, blocking low/mid-frequency noise, professional hearing protection, improved sleep quality, increased concentration, reduced discomfort from ambient noise. Target audience and applicable scenarios: Adults, children, and teenagers with ear canals of varying sizes. Ideal for sleeping at home/in hotels, traveling (plane/train/bus), studying/working in noisy environments, attending concerts/parties, tolerating construction sites/traffic, snoring, and everyday outdoor use. Usage notes: 1. Choose the appropriate size according to your ear canal to ensure the noise-canceling effect. 2. Clean the earplugs and refills with soapy water before and after use, and air dry. 3. Do not use in environments requiring alerts (driving, industrial work).