Ninja mode activated 🥷🏻

Text and Ninjas appear as mug warms — fun effect.

“I’m a ninja. You can’t see me 🥷🏻” shows as hot liquid fills the mug — bringing humor and surprise to your coffee.

ⓘ Product Info
  • One size: 11oz (0.33 l)
  • Ceramic material with black exterior and white interior
  • Lead and BPA-free
  • Heat-reactive design
  • Glossy finish
  • NB! Hand wash recommended
  • Ships from US 🇺🇸

About
Super popular gift for friends and loved ones. This one changes color and will be the gift that keeps on giving. The heat-reactive surface reveals the design once the mug gets warm. The ceramic cup will go back to its original black outside and white inside when it cools down. The C-shaped handle helps keep a sturdy grip. It comes in one size – 11oz (0.33l) – plenty for that big morning cup of coffee.

Vibrant colors
The latest printing techniques provide bright and crisp colors matching our craziest designs.

Microwave-safe
Mug can be safely placed in microwave for food or liquid heating

Glossy finish
Full color wraparound decoration with a glossy finish

Heat-sensitive design
When the mug is cold, the design's black text will be only faintly visible. The mug has heat-sensitive properties that will reveal the design's black text when pouring in any hot drink.

Care instructions
Hand wash only

📏 Dimensions
Volume: 11oz / 0.33 l
Height: 3.78 in / 9.60 cm
Diameter: 3.23 in / 8.20 cm
Diameter (with handle): 4.76 in/ 12.10 cm

📦 Package includes
1x I’m a ninja. You can’t see me 🥷🏻 Color-Changing Mug 11oz