Thank you for viewing my work. This is a navy blue arm band. The arm band simply fastens to your sleeve, allowing you to easily roll up your sleeves. Since you don't have to roll them up, your shirt won't get wrinkled. It also prevents sleeves from falling down on things like silky blouses, sweaters with wide cuffs, and pajamas. Arm bands are convenient for housework, but they are also very useful for: - Those who can't let go of long sleeves due to the current UV rays or excessive air conditioning. - Writing. - When you want to roll up your sleeves for things like crafting. Recently, balloon sleeves with wide cuffs are cute, but they are easily wetted or soiled. More and more people are buying them to keep them securely in place. When your sleeves peek out from your jacket, you can keep them neat by using these! Children who can't or don't want to roll up their sleeves on their own can do it with these. (Please consult before purchasing for size changes) They are essential for me and very helpful! They also work great to prevent water from running down your arms when washing your face; you can secure them at the perfect spot. How about a small gift for friends, mothers, grandmothers, or those who have helped you? The fabric is about 2.5 cm wide, about 20 cm long, and has 1.5 cm wide elastic inside. This is a handmade item. If you have any concerns or are looking for perfection, please ask. Thank you very much m(__)m Arm band, sleeve holder