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Add hot liquid to reveal your design as the black mug turns white.
$43.30
per mug
 

Engagement Mug

4.8 out of 5 stars rating
495 Total Reviews |
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Color Morphing Mug
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Style: Color Morphing Mug

At first glance, it looks like a sleek black mug—but pour in something hot, and the magic begins. As the mug heats up, it transforms before your eyes, revealing your custom design, funny photo, or meaningful message against a bright white background. Made with a special heat-sensitive coating, this colour-morphing mug is always a crowd-pleaser, perfect for surprising friends, gifting, or making your morning coffee a little more fun.

  • Available in 325 ml (11-ounce) or 443 ml (15-ounce)
  • Dimensions:
    • 325 ml (11-ounce): 8.1 cm diameter x 9.7 cm height (3.2” D x 3.8” H)
    • 443 ml (15-ounce): 8.6 cm diameter x 11.4 cm height (3.4” D x 4.5” H)
  • Strong, ceramic construction
  • Hand wash; microwave and dishwasher are not recommended due to the special, heat-sensitive coating that gives this mug its magic
  • Do not overfill and be careful with hot liquids that may scald
  • Keep out of reach of children when filled with hot liquid

About This Design

Add hot liquid to reveal your design as the black mug turns white.
Engagement Mug

Engagement Mug

Give her this mug cold and all she see's is a plain black mug...add a hot beverage and you are asking her to marry you! Customise with his/her name in 3 places on mug. Makes a great breakfast or after dinner surprise.
sheezl80
Diamond
Artwork designed by
Pittsburgh, Pennsylvania, United States
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Customer Reviews

4.8 out of 5 stars rating495 Total Reviews
437 total 5-star reviews45 total 4-star reviews6 total 3-star reviews3 total 2-star reviews4 total 1-star reviews
495 Reviews
Reviews for similar products
5 out of 5 stars rating
By K.18 November 2013 • Verified Purchase
Classic Mug, 325 ml
Zazzle Reviewer Program
Awesome. I love the way the cup changes with something hot in the mug. My honey will be so surprised and I am excited to give such an awesome gift. Everything came as expected. Thank you!
from zazzle.com (US)
5 out of 5 stars rating
By k.25 November 2025 • Verified Purchase
Color Morphing Mug, 444 ml
This mug was a celebration gift and arrived on time , with the design exactly as anticipated Such a fun idea! Love this mug!!
from zazzle.com (US)
5 out of 5 stars rating
By Margo O.22 September 2017 • Verified Purchase
Classic Mug, 325 ml
Creator Review
At first I thought that there was something wrong with my cup. I realized that my cup shows the design after I put my favorite coffee in the cup. I love it! The colors came out great.
from zazzle.com (US)

Tags

Mugs
weddingengagementmarry meengagedfianceaskpop the questionshe said yesringdiamond
All Products
weddingengagementmarry meengagedfianceaskpop the questionshe said yesringdiamond

Other Info

Product ID: 168726461562105348
Posted on 12/08/2010, 5:37 PM
Rating: G