Gender reveal magic mug coffee cup it's a Boy

About our Gender reveal magic mug coffee cup it's a Boy

• Because of its heat-sensitive coating, which reacts to the heat, the mug changes its color from black to white .
• When the mug is cold, it is black and the image is Slightly noticeable.
• When filling the Gender reveal magic mug coffee cup it's a Boy with hot drinks - tea, coffee, milk or water, its color becomes lighter and the printed image gradually appears.
• The outcome is hidden beneath the black outside coating which disappears to reveal the hidden message when hot liquid is added..
• Makes a great Gender Reveal or Baby Shower gift.
• Can be personalised to your own unique taste at no extra cost
• Artwork is slightly visible when cold