With the Flame, Color-Changing Coffee Mug, you’ll always know when your favorite roast is hot and ready to drink! This is a special heat transfer mug, so when the mug is cold, it’s solid black. When it’s full of steaming hot coffee, you’ll see flames climbing the sides. Featuring the FDC Maltese Cross logo, this ceramic mug holds 11 ounces of the hottest coffee around. Order yours today!