Classic Rock Dad Colour Morphing Mug

It looks like a plain mug, but add some hot coffee and – magic – "Classic Rock Dad" is revealed! Raise your mug to timeless tunes with this "Classic Rock Dad" colour morphing mug — the perfect gift for the dad who still cranks the volume to 11. Sleek, durable, and full of rock 'n' roll attitude, it’s ideal for coffee, tea, or his favourite drink while jamming to legends. A must-have for any proud classic rock-loving dad! It is made with a special, heat-sensitive coating, so, when any hot liquid is added, it changes colour to reveal the design against a bright, white background. It may seem simple, but, trust us, a morphing mug never fails to surprise ... even Dad's who have seen everything! Available in 11-ounce or 15-ounce Dimensions: 11-ounce: 3.2” D x 3.8” H 15-ounce: 3.4” D x 4.5” H Strong, ceramic construction. Hand wash recommended; microwave and dishwasher are not recommended due to the special, heat-sensitive coating that gives this mug its magic. Meets FDA requirements for food and beverage safety. Printed on demand in Reno, NV