Thank you for viewing! ⑅︎◡̈︎* Please read the profile before purchasing. ✨Free Shipping✨ & ✨Instant purchase welcome✨ [High-Performance Filter] Reduces sound by approximately 40dB. By wearing it when you are concerned about surrounding sounds, such as during sleep, work, study, or in public transportation, it blocks out unpleasant noises in your ears. [Achieves Sound Sleep and High Soundproofing] The earplugs come with three sizes: S, M, and L, allowing you to change to the size that best suits you. This provides an outstanding fit and complete integration with the ear, creating a quiet sleeping environment. [Washable & Reusable] Even after long-term use, the elasticity will not decrease, and you can wash it with water to reuse it, making it hygienic and economical. After use, wash with water, dry, and store in the dedicated case. Earplugs for sleep, complete soundproofing, sound sleep, noise canceling, high performance, sound insulation value 40dB, sound sleep, noise reduction, relaxation, airplane, study, washable 506087_385