Show your support for our firefighters and that thin red line they walk everyday with this awesome matte black magic coffee mug. The mug changes color when it comes into contact with a hot beverage and reveals the cool print.
• 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)
• Made in China. Printed in Europe
Note that in some instances the coating might not be 100% opaque and an outline of the design might peek through a little. Also, you shouldn’t put the mugs in a microwave or dishwasher since it can damage the coating.