【Achieve Sound Sleep and High Soundproofing】 Earplugs come with three sizes: S, M, and L. You can change to the size that best fits you!! 【Washable & Reusable】 Even after long-term use, the elasticity won't diminish, 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. ⭐Instant purchase OK & Free shipping⭐ Please check the actual product photos for the product condition♪ Click here for a list of #yamaPoppy's products ✨☜ Earplugs for sleep, complete soundproofing, sound sleep, noise canceling, high performance, noise reduction value 40dB, sound sleep, noise対策, relaxation, airplane, study, washable 47-51.021