Earplugs for Sleep, Complete Soundproofing, for Peaceful Sleep, Noise Canceling High Performance, Noise Reduction Value 40dB, for Comfortable Sleep, Noise Reduction Relaxation, Airplane, Study, Washable ▪︎Black x Mint Green▪︎ 【Package Contents】Earplugs x 1 set, Ear tips (S/M/L) 3 sizes each 1 set, Storage case x 1. 【High-Performance Filter】Enables noise reduction of approximately 40dB. By wearing them when you are concerned about surrounding sounds during sleep, work, study, or in public places, they will block out unpleasant sounds in your ears. 【Achieves Comfortable 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. Therefore, it achieves an outstanding fit and complete integration with the ear, providing a quiet sleeping environment. 【Washable & Reusable】They will not lose their elasticity even after long-term use, and you can wash them with water if they get dirty, so you can use them repeatedly, which is 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, pull your ear up, hold the grip, and gently push it into your ear canal to complete wearing. *If you leave moisture in your ears for a long time while wearing earplugs, it can cause otitis media, so be sure to wipe them thoroughly before putting in the earplugs. 35-42