【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 transportation, you can block out unpleasant sounds. 【Washable & Reusable】They maintain their elasticity 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, pull your ear upwards, and gently insert the earplugs into your ear canal while holding the grip. ※ Leaving moisture in your ears for a long time while wearing earplugs can cause otitis media, so be sure to wipe your ears thoroughly before inserting the earplugs. Earplugs for Sleep, Complete Soundproofing, Peaceful Sleep, Noise Canceling, High Performance, Noise Reduction Value 40dB, Comfortable Sleep, Noise Reduction Measures, Relaxation, Airplane, Study, Washable ♡o。 ..:*♡o。 ..:*♡o。 ..:*♡o。 ..:*♡o。 ..:* Thank you for viewing! Anonymous delivery! Free shipping ✨ ＊Immediate purchase welcome・Midnight silent purchase OK◎ ＊Welcome to bulk purchases ＊Please understand that items are stored at home and shipped in simple packaging. ＊Please check the actual photos for the condition of the product♪ ※In some cases, we may ship the product without the box due to shipping costs. ※Some items are gifts or from family members, so I may not know the details. Please feel free to comment if you have any questions☆ 14.60