51-51 [No comment/Instant purchase OK] [We are committed to speedy shipping] [High-performance filter] Approximately 40dB of noise reduction is possible. By wearing it when you are concerned about the surrounding sounds, such as during sleep, work, study, or in public transportation, it blocks 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 suits you. Therefore, it achieves an outstanding fit and complete integration with the ear, providing a quiet sleeping environment. [Washable & Reusable] Even after long-term use, the elasticity will not decrease, and you can wash it with water if it gets dirty, so you can use it repeatedly, which is hygienic and economical. After use, wash with water, dry, and store in the dedicated case. ------------------------------------------------------------------------------------------------------------------ Since this is a transaction where you can't see my face, I will strive for a safe and pleasant experience★ \\Notes when purchasing// ・Basically, operation is unconfirmed. ・Please check the actual photos for the product condition. ・Please purchase if you understand home storage and simple packaging (may be taken out of the box or compressed). ・Although unused, it has been opened once for photography, so it is listed as "Like new".