About this product [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. Available in a stylish 8-color variation. [Convenient Portability and Wide Range of Uses] These earplugs are compact and come with a storage box, making them easy to carry wherever you go, such as on trips or business trips. They can be used freely in various situations, not only for sleep but also for swimming, travel, studying, reading, and work. [Easy to Insert] You can easily insert the earplugs by rolling the tip and smoothly inserting them into the ear canal. The bullet shape conforms to the shape of the ear canal, fitting perfectly to the contours of the inner ear. You can insert the earplugs by gently pulling the ear to widen the ear canal. (Please remove them slowly.) Choose the most comfortable tip from the three sizes: S/M/L. [Washable and Reusable] Made of environmentally friendly silicone material and designed to be dust-resistant. The earplugs are also waterproof and can be reused by washing them after use. Therefore, you don't need to worry about the health of your ear canal. [Abundant Accessories] Replacement earplugs are included, as well as one storage case. Unlike the disposable type, this series can be washed and reused. These are sustainable earplugs. 37-19