Color Changing Mug with Colorful Spoon

Also known as magic mug, the color changing mug can act as an indicator of water temperature. The mug’s body begins to change color when the temperature reaches 40 ℃, and the color will gradually fade away as the water is getting colder. This patented technology has created unlimited new decoration options in the world of coffee mugs. This series of color changing mugs are consistently black for outer wall, and vary among a wide range of vivid colors for inner wall.