- Naiicute earplugs made of lightweight and flexible silicone, offer superior comfort day and night - Certified noise reduction up to 31dB, ideal for deep sleep, studying, working, or traveling without disturbances - Ergonomic double-flange and double-cone design, effectively seals the ear and blocks environmental noises such as snoring, traffic, or pets - Secure and stable fit, do not fall out during use, suitable for adults and children over 12 years old - Includes waterproof aluminum case with carabiner, easy to carry on a keychain, backpack, or pocket - Reusable and washable, withstand more than 100 uses, easy to clean with soapy water - Improve sleep quality, concentration, and hearing protection in noisy or unpredictable environments