The "Proud Autism Dad" Magic Mug is a perfect gift for every Dad. Who doesn't love waking up to good surprise? With this color changing coffee mug, you're definitely in for a great one. This mug has a black matte finish when it's empty. But when it comes into contact with a hot beverage, the mug reveals a beautiful print that'll always make you smile when having your drink of choice.
• Ceramic • Black glossy finish when cold • Reveals the print when exposed to hot liquids • Dimensions: height - 3.54'' (8.9 cm), diameter - 3.35" (8.5 cm)
Note that in some instances the coating might not be 100% opaque and an outline of the design might peek through a little. You shouldn't put mugs in a microwave or dishwasher since it can damage the coating.