Witch's Brew Magic Coffee Mug

This color changing mug is black all over until you pour in your favorite hot coffee or tea then it reveals what's really inside - your "Witch's Brew". Great gift for the Halloween lover or your favorite witch.

About this Mug
• 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

Please note: the design might peek through a little. Do NOT put in the microwave or dishwasher!