※ This product is new and unused, but has been opened for photography. Also, please be aware that there are scratches on the case. Thank you for your understanding. 【High-Performance Filter】Reduces noise by approximately 40dB. By wearing these when you are concerned about surrounding sounds, such as when sleeping, working, studying, or in public transportation, you can block out unpleasant noises. 【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 excellent fit and complete integration with the ear, creating a quiet sleeping environment. 【Washable & Reusable】The elasticity will not decrease even after long-term use, and you can wash them with water to reuse them, making them hygienic and economical. After use, wash with water, dry, and store in the dedicated case. 【How to Wear】Before putting in the earplugs, clean your ears. First, reach the opposite hand behind your head and pull your ear up, then gently push the earplug into your ear canal while holding the grip. ※ Leaving moisture in your ear for a long time while wearing earplugs can cause otitis media, so be sure to wipe your ears thoroughly before putting in the earplugs. Management Number 26-37 #mai♪