See the winners and the losers in over 30 famous US Supreme Court cases. Add a hot beverage and the losers disappear, revealing who won these landmark cases. Perfect for any hot beverage: coffee, tea, hot chocolate, pumpkin spiced beverage. • 12 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!