The flag of the Union of Midway has three stripes; from top to bottom: black, white, and blue. The black stripe represents duty, the white stripe represents destiny, and the blue stripe represents unity. "Unity, Duty, Destiny" is the motto of the Union of Midway. On the left side there is a red equilateral triangle, representing the blood the citizens and soldiers of the Union of Midway shed in the wars Midway was involved in. And a yellow five-pointed star in the triangle representing the union that binds the provinces of the Union of Midway together. The designer of the flag is unknown. The flag is often made of silk or cotton.