Magic Mug with the design \"Drink up Grinches\" is available in many colors and sizes for women and men at Shirtinator. Product Details With our Colour Changing Mug from Print Equipment you\'re in for a surprise in the morning. As soon as you pour a hot drink into your mug, your chosen motif is revealed. At room temperature, the motif is only visible when you look very closely. With this magical thermal effect, you can enjoy your coffee or tea twice as much. Our high-quality Colour Changing Mug is made of ceramics and comes with a tight-fitting handle for a pleasant grip. If you\'re looking for a fun gift idea, our Colour Changing Mug makes for a nice surprise. Measurement: Hight 92 mm, Ø 80 mm, volumetric capacity 300 ml