Flag of Wilhelmshaven Germany - Color Changing Coffee Mug

The Flag of Wilhelmshaven, Germany, is the official banner representing this North Sea port city located in Lower Saxony state. The design features three horizontal bands in the colors of blue (top and bottom) and yellow (middle), with the city's coat of arms centered on the yellow band. The blue sections symbolize the sea and sky while the yellow represents the city's historical ties to agriculture. The coat of arms contains a shield divided into four quarters, depicting various elements such as ships, a mill, a lion, and an anchor, alluding to Wilhelmshaven's rich maritime history and industrial past.