Obi is a traditional sash worn with a kimono, a garment commonly associated with Japanese culture. It serves both functional and decorative purposes, helping to secure the kimono in place while also adding an aesthetic element to the outfit. Obis come in various styles, colors, and materials, reflecting the wearer's taste and the occasion. In addition to its practical use, the obi is often tied in elaborate knots, showcasing the skill of the person dressing in the kimono. Different types of obis, such as haneri and obiage, can be used to enhance the overall appearance, making it an essential accessory in traditional Japanese attire.