This Color Changing Mug is sure to make your life smile from ear to ear. <br><br> The best gifts are both personal and functional, and that's why this funny gift mug is a fantastic choice. <br> You can dress the mug up by placing gifts inside, such as candies and chocolates, or coffee grounds and tea bags. <br><br> This ceramic coffee mug is microwave safe and is decorated with sublimation technology. <br> Pour in hot liquid and watch the text magically appear on the surface of mug. Hand wash is recommended. <br><br> The text and design are slightly visible at room temperature.