※ This product is new and unused, but has been opened for photography. 【High-Performance Filter】Achieves noise reduction of 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 excellent fit and complete integration with the ear, creating a quiet sleeping environment. 【Washable & Reusable】The elasticity does not deteriorate even after long-term use, 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. 【How to Wear】Before putting in the earplugs, first clean the inside of 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 22-49 #mai♪