HEAT ACTIVATED. This color-changing mug contains great quality and durable heat activated print on both sides. In order to activate the mug the temperature of the hot liquid should be over 70°C/158°F. At that temperature the color of the mug will change. Also indicating at what level your drink is at as well as if it it still hot.
A PERFECT GIFT - picture made of thermo graphic ink, mug reacts to heat, reveling artwork. Great gift for any coffee or hot tea drinker. Or treat yourself!
Good for coffee, milk, tea and hot chocolate, share with your family and friends.