Evil is a Cult Magic Mug

Fuel yourself with this mug, and watch the secret message reveal itself when you pour in the hot tea! Or coffee, or hot chocolate, I don't assume to know what your favorite hot beverage might be. For all the detectives out there that love hidden words!

• Ceramic
• Black glossy finish when cold
• Reveals the secret message when exposed to hot liquids
• Dimensions: height - 3.54'' (8.9 cm), diameter - 3.35" (8.5 cm)

You shouldn't put mugs in a microwave or dishwasher since it can damage the coating.