• High quality 100% non-toxic 11oz ceramic mug, good for both cold and hot liquid.
• Heat sensitive color changing mug, stay black with cold and zombie appears with over 70°C/158°F hot liquid.
• Cool zombie mug, great Christmas/birthday gift for the walking dead fan zombie lover.
• Hand wash only, use in microwave or dishwasher may damage the art work.

After receiving it, it is a black cup. When hot water is added more than 60 degrees, it becomes right.