Color: Black Number of Items: 1 Shape: Individual Noise Reduction: 40 decibels Number of Units: 1 【High-Performance Filter】Achieves approximately 40dB noise reduction. By wearing these when you are concerned about surrounding sounds, such as when sleeping, working, studying, 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 suits you. This provides an outstanding fit and complete integration with the ear, creating a quiet sleeping environment. 【Washable & Reusable】They can be used repeatedly without losing their elasticity even after long-term use, and they can be washed with water if they get dirty, making them hygienic and economical. After use, wash with water, dry, and store in the dedicated case. #cottonchan Product List ☜✨ ☘️ Immediate purchase welcome, silent purchase at midnight OK ◎ ☘️ First come, first served for only one item ☘️ Welcome bulk purchases, feel free to comment ☘️ Free shipping! ・Please understand that items are stored at home and will be shipped in simple packaging. (⁎ᵕᴗᵕ⁎) ・Please check the actual photos for the condition of the product♪ ※To sell at a slightly lower price, we may ship the item without the box due to shipping costs. ◾️ Unused, but opened for photography. Earplugs for sleep, complete soundproofing, sound sleep, noise canceling, high performance, sound insulation value 40dB, sound sleep, noise reduction measures, relaxation, airplane, study, washable (36-14)