【High-Performance Filter】Reduces sound by approximately 40dB. By wearing these when you're bothered by surrounding noises, such as when sleeping, working, studying, or in public spaces, they block out unpleasant sounds. 【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 fits you. This provides an excellent fit and complete integration with the ear, creating a quiet sleeping environment. 【Washable & Reusable】They maintain their elasticity even after long-term use, and can be washed with water to be reused, making them 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, Noise Reduction Value 40dB, Soundproof Measures, Relaxation, Airplane, Study, Washable ˗ˏˋ Click here for a list of products ˎˊ˗ ︎ #e_mama_shop ← Tap to save money with bulk purchases! \( ᐛ )/ ⭐️Instant purchase OK! ⭐️Opened for product confirmation, so listed as "Like New" ⭐️Shipped with the most economical method If you prefer anonymous shipping, please let me know in the comments before purchasing‪(՞ .ˬ.՞)"‬ 〇40-23 110030