Also known as magic mugs, 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 color changing mug features a heart-shaped printable patch, lovely highlighting up your printed image. A pretty loving mug for lovers or family. Specification Status: on demand Material: ceramic Heating Method: mug press, 180 ℃, & 15 sec. or so
