F.A.I.T.H Black Matte Mug

This mug tells a story as you prepare your beverage. The mug has a black matte finish when it's empty. But when it fills up with a hot beverage, the mug reveals a white mug with a powerful print, sure to leave us smiling. Conquer the day a cup full of faith!
• 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)

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