Funny Simple Funny Saying & Quotes: I may look calm, but in my head I've killed you 3 times. Ceramic Morphing Mug - 11 Ounces Heat Sensitive Color Coffee/Tea Mug Cool magic morphing ceramic mug, just plain black in color when it's cold,turn white and reveal design only when filled with a hot beverage Size: 11 Ounce, easy to clean, it has a handle that is easy to hold Work with coffee,tea,milk at office or party,coffee house,house home Watch as the heat-activated process reveals the hidden image in full vivid colors! New design, novelty, funny ,Design/Image