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Add hot liquid to reveal your design as the black mug turns white.
CA$36.30
per mug
 

Penguin Mug

4.8 out of 5 stars rating
93 Total Reviews |
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About Mugs

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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 color-morphing mug is always a crowd-pleaser, perfect for surprising friends, gifting, or making your morning coffee a little more fun.

  • 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; 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
  • 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.
Penguin Mug

Penguin Mug

Penguin Mug for everyone! © 2010 Rat Dog Ink
Rat Dog Ink
Pro
Artwork designed by
Los Altos, California, United States
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Customer Reviews

4.8 out of 5 stars rating93 Total Reviews
76 total 5-star reviews14 total 4-star reviews2 total 3-star reviews1 total 2-star reviews0 total 1-star reviews
93 Reviews
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By Margo O.September 22, 2017 • Verified Purchase
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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.
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By Olga D.July 4, 2018 • Verified Purchase
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High quality! Elegant! Adorable! It is even better then I expected. Amazingly sweet and beautiful! I absolutly love my cup. It is very colorful and attractive. Amazing image and colors! I cannot wish for more. A perfect gift for my upcoming baby shower! Highly recommended this design and cup!
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5.0 out of 5 stars rating
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By AnonymousFebruary 12, 2026 • Verified Purchase
They are GORGEOUS! Look incredible - I think the family will love them! Shipped quickly too! Thank you! .
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Tags

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penguinmugcupcoffeeteakitchenfoodbeverages
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penguinmugcupcoffeeteakitchenfoodbeverages

Other Info

Product ID: 168268820650752076
Designed on 2010-08-13, 11:47 AM
Rating: G