Earplugs for Sleep, Complete Soundproofing, Good Sleep, Noise Canceling, High Performance, Noise Reduction Value 40dB, Comfortable Sleep, Noise Reduction, Relaxation, Airplane, Study, Washable 【High-Performance Filter】 Reduces sound by approximately 40dB. By wearing them when you are concerned about surrounding sounds during sleep, work, study, or in public places, they 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. 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 if they get dirty, allowing for repeated use, 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, first clean your ears. First, reach the opposite hand behind your head and pull your ear upwards, then gently push the earplug into your ear canal while holding the grip. ※ Leaving moisture in your ear while wearing earplugs for a long time can cause otitis media, so be sure to wipe your ears thoroughly before putting in the earplugs. ★Earplugs x 1 set, Ear tips (S/M/L) 3 sizes each 1 set, Storage case x 1 Unused, but opened for inspection and photography. Instant purchase welcome! 23-47 #R2's Listings #R2's Earplugs #Good Sleep Goods #Earplugs Black