Effective Noise Reduction- With 33dB SNR, our ear plugs are high-fidelity noise-canceling earplugs that block out most noise while maintaining the clarity and sharpness of sound. Keeps you away from sharp or harsh noises, but ensures you can still hear everything, so you can relax. These comfortable earplugs will protect your hearing and are an excellent choice if you are often affected by noise. (Note: provides hearing protection, not 100% silence) Ergonomic Design- Our silicone ear plugs are ergonomically designed with a unique design that fits your ears perfectly and securely and won't fall off easily, made of premium silicone, super soft and comfortable, painless to wear for a long time, with 2 sizes available for replacement (S/L), two colors to choose from, there is always a color and size for you. Washable & Reusable- These earplugs are made of high grade silicone and nano coating, washable, durable, and reusable, simply rinse with water or wet tissue and use them again and again. They are easy to insert and don't stick out of your ears. Compact and portable- Each pair of ear plugs come with a small and lightweight storage box, which can effectively protect them from dust and is extremely convenient for storage or carrying them around, very suit for and work and trips. Multipurpose- Multi-use ear plugs are great for sleeping, snoring, bathing, studying, travel, sports events, fireworks display, concerts, flying, motorcycles, mowing, etc different occasions. Reduce noise, give you safe, comfortable hearing protection, relax and get the good night's sleep you need.