Flag of Biel Switzerland - Color Changing Coffee Mug

Experience a unique blend of Swiss heritage and everyday enjoyment with our Flag of Biel Switzerland - Color Changing Coffee Mug. This design is inspired by the official flag of the city of Biel/Bienne, Switzerland, creating a delightful fusion of tradition and modernity in your morning routine. The mug showcases the city's flag, which consists of five horizontal stripes of alternating colors: blue, white, red, blue, and white. However, the magic lies within this seemingly ordinary design – when heated with a warm beverage, the mug transitions through a gradient of the flag's colors, transforming your coffee into a captivating visual representation of Biel/Bienne's emblematic symbol. Perfect for anyone who appreciates unique and cool drinkware, this color-changing coffee mug serves as an engaging conversation starter and a touch of Swiss charm in your kitchen or office space.