The Doppa is a square or round skullcap originating in Central Asia. The Xinjiang Doppa boasts a history of over 1,000 years in China, which traces back to the Tang Dynasty. These colorful four-angled square hats, featuring embroidery, are usually associated with the Uygur people and their culture in China. Seen vertically, it is a square, and diagonal lines divide the hat into four triangles. In modern times, the design and making of these hats have been transforming to accommodate the taste of people nowadays. Various colors are integrated into these hats' design, including red, white, black, pink, and green. These hats are worn on various occasions by people from all walks of life.