Do you like surprises? With the Destroy All Humans! Summer Crypto Heat Revealing Mug, you're definitely in for a great one. This mug has a black matte finish when it's cold. But when it comes into contact with your favorite hot beverage, the mug reveals a beautiful print that'll always make you smile.

• Ceramic
• Height: 3.85″ (9.8 cm)
• Diameter: 3.35″ (8.5 cm)
• Black matte finish when cold
• Reveals the print when exposed to hot liquids
• NOT dishwasher or microwave safe