Thank you for viewing! [Ergonomic Design, Fits the Ear] The arc shape conforms to the shape of the ear canal, so there is no pressure even when sleeping on your side, and it won't fall out even when worn during sleep. No worries about losing them. Made of environmentally friendly, liquid silicone material, it is extremely flexible. Comfortable to wear, your ears won't hurt even after wearing them for a long time. [High-Performance Noise Filtering] Good sound insulation! The noise reduction rate is as high as 28db, easily blocking out all kinds of noise and providing comfortable hearing protection for a long time. By wearing them when you are concerned about the surrounding sounds such as sleep, work, study, or on an airplane, they will block out unpleasant sounds in your ears. Ideal for night shift workers and those sensitive to noise. [Contents] Silicone earplugs *1, replacement ear tips *3 (S, M, L three-stage adjustment possible), storage case included *1. ・Please understand that this item is stored at home and will be shipped in simple packaging. (⁎ᵕᴗᵕ⁎) ・Although it is a new, unused item, it has been opened for inspection and photography, so it is listed as "Like New". ※We do not have expert knowledge about the products, so we may not be able to answer all questions regarding the products. Please understand. ◇19-22 0003