Funny I HAVE THE PUSSY SO I MAKE THE RULES Morphing Heat Sensitive Color Changing Mug - Cool Design Coffee Mugs,14 Ounces Size: 11oz 100% Ceramic - more healthy than plastic cup Simple And Fashion Style Give You A Cool Feeling Our mug will turn white and reveal design only when filled with a hot beverage Work with coffee,tea,milk at office or party,coffee house,house home.