Everyone knows that when your heart is almost empty, you better refill it quick! Just fill the pixel heart mug with your favorite hot beverage and watch as the pixel heart rejuvenates before your eyes. Thermo graphic ink reacts to heat, revealing new and fun graphics. As your beverage cools, the graphics change back to their original state, telling you it is time to refresh your cup! L 4.5" x W 4" x H 4.5" Ceramic.