The donut mug is black when it's empty; but when it comes into contact with a hot beverage, the mug reveals a special message...DONUT TALK TO ME (before coffee)
• Ceramic
• Black matte finish when cold
• Reveals the print when exposed to hot liquids
• Dimensions: height - 3.85" (9.8 cm), diameter - 3.35" (8.5 cm)
Note that you should not put the mug in a microwave or dishwasher as it can damage the coating.
• Ceramic
• Black matte finish when cold
• Reveals the print when exposed to hot liquids
• Dimensions: height - 3.85" (9.8 cm), diameter - 3.35" (8.5 cm)
Note that you should not put the mug in a microwave or dishwasher as it can damage the coating.