Silicone Swimming Ear Plugs Waterproof Sound Insulation Earplugs Noise Reduction Ear Proctection Earplugs for Adults Swimmers Pool Surfing Shower Sleeping Name: Silicone 4-layer noise reduction earplugs for adults and teenagers Model: 9th generation, adult and teenager Size: L Quantity: 1 pair Material: Nano silicone Color: black, gray, blue, orange, pink (optional) Use: soundproof for sleeping, hearing protection, waterproof for swimming, noise reduction for learning Performance: waterproof and washable Lifespan: long-term use Size: 21.00x21.00x20.00mm/0.83x0.83x0.79inch Weight: 10g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 Pair x Silicone Earplugs Adult Size L Easy to Use and Store: Our sound insulation earplugs are easy to use and remove. They come with a transparent storage box for compact storage and portability. Simply wash the earplugs with water after each use and store them in the box for future use. Perfect for business trips, traveling, or commuting, they are versatile in preventing loud noises and background noise in various situations, helping you concentrate at work or study, protecting your eardrums at concerts, festivals, or while riding motorcycles, and are an essential item for swimming at the beach, traveling, or commuting. Shark Fin Design for Stability: Featuring a shark fin ear support design with micro-rebound technology, our noise canceling earplugs balance well and fit the ear canal of adults securely, preventing accidental falls. The ergonomic design ensures comfort even during prolonged use, making them ideal for side sleeping, dancing, or biking without worries of dislodgement. Four-Layer Noise Cancellation: Equipped with four layers of active noise cancellation technology, our sleeping earplugs ensure maximum noise reduction width and depth. While allowing sound to penetrate, they effectively reduce noise, making them perfect for sleeping, working, or traveling to block out disturbances and protect your valuable hearing. Comfort and Noise Reduction: Made from premium nano-silicone material, our reusable swim earplugs are soft, skin-friendly, and antibacterial, offering comfortable noise reduction. They are delicate to the touch, highly elastic, washable, and durable, significantly reducing most forms of noise for a quieter environment. Waterproof Design: Our swimming earplugs feature a unique 4-layer waterproof design that snugly fits both the inner and outer ear, ensuring true waterproof protection. Ideal for swimming, showering, and surfing, they effectively prevent water from entering and protect your ear canal from harm.