Funny Saying A GIANT CUP OF SHUT THE FUCK UP Heat Color Changing Mug Morphing Coffee Cup Ceramic 11 Oz Twin Sides Design Material:100% Ceramic Capacity: 11 Ounce Easy to clean,easy to carry Morphing:Just plain black in color when it's cold,mug will turn white and reveal Design only when filled with a hot beverage Our Custom Morphing Mug will be a good gift