Did fellow painter Paul Gauguin cut off Vincent's ear with a sword? We may never know. In any event, the DisappEARing Van Gogh Mug features a classic self-portrait of Van Gogh. When you pour in a hot beverage Vincent's ear magically vanishes before your very eyes. Easy van come - easy van Gogh. • 10 oz. Ceramic coffee cup with a comfortable handle. • All of our disappearing mugs come in a beautifully designed, colorful box. • Heat activated color changing mugs are microwave safe, but not dishwasher safe. Hand wash only. Don't soak. • UPG is a novelty gift company specializing in smart and funny gifts. Check out our shop for all types of quirky fun stuff!