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 available in varied colors. Featuring gender symbol-shaped handles, the Mars symbol for male and Venus symbol for female, this pair of white couple mugs represent the join of loves, making an ideal gift for any couple of lovers. Imprint the lovers’ photos or the declaration of love onto the mugs, and let them last as does the love between the lovers. Specification Status: on demand Material: ceramic Color: red, black, and others on demand Heating Method: mug press, 180 ℃, & 15 sec. or so
