Thermal mug fuel gauge thermo-reactive mug

Here's a mug that will help you feel fit like a ``Ferrari`` engine. This mug, which reacts to heat, has a gauge that changes color each time you put your coffee in it in the early morning.* Material : ceramic, thermo-reactive pigments * Capacity : 330 ml * Dimensions : 12 x 9 x 10cm * Hand wash only * Not microwaveable Functions : heat changing mug Contents : 1 cup hot-cold fuel gauge* Material : ceramic, thermo-reactive pigments * Capacity : 330 ml * Dimensions : 12 x 9 x 10cm * Hand wash only * Not microwaveable Functions : heat changing mug Contents : 1 hot-cold cup fuel oil gauge