Celebrate 90 years of Gotham’s protector with this officially licensed Batman DC 90th Morphing Mugs Heat Change Mug. Just add hot liquid to this black ceramic mug and watch special DC 90th Batman artwork magically appear—ideal for collectors and vigilantes alike. Holds approximately 11 ounces. Designed and printed in the USA by Trend Setters Ltd. Do not microwave! Hand wash only! Not dishwasher safe!