Check out this great design from cafepress global warming makes me sad Mugs
global warming makes me sad Mugs
global warming makes me sad Mugs. help save the planet and protect it for future generations. global wamring is happening, wars are occuring over oil, we need to stop the fighting and work together and make the planet better for every Product Information Small measures 3.75" tall, 3" diameter; Mega measures 4.5" tall, 3.75" diameter Small holds 11 oz.; Mega holds 20 oz. Black color-changing mugs available in small only and are heat sensitive. The color-changing mug starts out all black in color. Simply add any hot liquid to the mug and watch as the mug changes from black to white and your unique design is revealed! Dishwasher and microwave safe
