【High-Performance Filter】 Reduces sound by approximately 40dB. By wearing these when you are bothered by surrounding noises, such as during sleep, work, study, or in public transportation, you can block out unpleasant sounds 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 fits you. This provides an outstanding fit and complete integration with your 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 if they get dirty, allowing for repeated use, which is hygienic and economical. After use, wash with water, dry, and store in the dedicated case. ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ ＊Instant purchase welcome・Midnight silent purchase OK◎ ＊Please be sure to read the profile as well◎ ＊Opened for photography ▶︎ Listed as "Like New"◎ ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ #MIA～Silent & Instant Purchase OK Listing List Please understand that the items are stored at home and will be shipped in simple packaging. ▪Please check the actual photos for the condition of the product. ▪To sell at a slightly lower price, we may compress the item slightly or remove it from the box for shipping due to shipping costs. #MIA～Silent & Instant Purchase OK Listing List Earplugs for sleep, complete soundproofing, good sleep, noise canceling, high performance, sound insulation value 40dB, good sleep, noise reduction, relaxation, airplane, study, washable 37-63 01-4