Flag of Kostroma Oblast Russia - Color Changing Coffee Mug

The Flag of Kostroma Oblast is the official heraldic symbol and banner used to represent the administrative region of Kostroma Oblast, located in northeastern Russia. Adopted on March 28, 1997, the flag features a rectangular field divided into three horizontal stripes: the top and bottom stripes are white, while the central stripe is blue. In the center of the blue band, there's a golden double-headed eagle - the national symbol of Russia - with outspread wings. The design reflects Kostroma Oblast's historical and cultural ties to Russia and its geographical location in the Russian Federation.