Noise Cancelling Comfortable 3 Layer Earplugs 40db Ear Plugs for Sleep/work Features: Advanced Noise Cancellation: Effectively reduces background noise, providing a quiet and peaceful environment for sleep, relaxation, work, or travel. Waterproof & Secure Fit: Designed with a three-layer umbrella shape, these earplugs prevent water intrusion, making them perfect for swimming, showering, and water sports. Soft & Comfortable Silicone: Made from high-quality silicone material, ensuring a soft, snug fit without causing ear discomfort even during extended use. Multi-Purpose Use: Ideal for sleeping, studying, working, exercising, and swimming, offering reliable protection from loud noises and water. Reusable & Washable: Durable and washable design ensures long-term use, making them a cost-effective choice for noise reduction. Compact & Portable: Comes with a plastic storage box + color box for easy storage and carrying anywhere. Specifications: Material: Silicone+ABS Noise Reduction Rate (NRR): 40% Function: Noise reduction, sound insulation, waterproof Usage: Sleep, rest, work, swimming, exercise Special Feature: Noise filter device for noise reduction Earplug Shape: Umbrella design for a secure fit Package includes: 1 Pair Noise-Canceling Earplugs Notes: 1. Due to manual measurement, please allow 1-3mm tolerance. Ensure you are comfortable with this before ordering. 2. Due to lighting and monitor differences, photos may not accurately reflect the actual product color. Please verify details before ordering. Thank you!