Color Changing Harry Potter Mug: Marauder's Map Reveal

A plain black mug that turns into a map

• Cold black, hot map

  The glaze reads solid black when cold and reveals the parchment map when hot coffee or tea is poured in. Very hot drinks give the strongest reveal, and lukewarm ones show a softer, partial map.

• Full-wrap parchment print

  The Marauder's Map print wraps the full mug body, so the design shows from every angle. Glossy ceramic gives it a finish that looks good on a shelf, too.

• A handle that shifts too

  The black heat-reactive handle changes color with a smooth transition that matches the mug body. The interior is white, so the coffee looks as good as the map.

One mug, three fandom designs

• Color-changing ceramic mug×1

  Black when cold, Marauder's Map when hot

• Mischief Managed design

  Available as a pattern option

• I Solemnly Swear design

  Available as a pattern option

• Always design

  Available as a pattern option

The mug that makes mornings a little magical

The same mug, every morning

You reach for the same plain cup, fill it, and drink. Nothing about it is yours. Gift shopping for the fan in your life goes the same way: another sweater, another candle, forgotten by February.

Then the pour

The mug looks like a solid black cup until hot coffee or tea hits it. The heat-sensitive glaze lightens and the parchment map spreads around the whole body, in view on every sip.

A gift that gets remembered

Picture your friend's face when the map appears at the first pour. It is a gift they will use daily and leave on the shelf for the fandom to admire.

Easy care for a daily mug

• Hand wash

  Soft sponge and mild soap.

• No abrasive pads

  Scrubbing can dull the glossy print.

• Pour hot

  Warm to hot drinks give the full reveal.