Antner Magic Heat Changing Coffee Mug Solar System Ceramic Heat Sensitive Color Changing Cup,12 oz
Brand: Antner
Color: Solar System Heat Sensitive Mug - 12oz

Antner Heat Sensitive Coffee Mug
Capacity:12 oz
Materials: ceramic
Dimensions:approx 3.22" x 3.77"(9.6 x 8.2 cm)
Don't Leave In Sunshine for an Extended Period of Time.
NOT dishwasher or microwave safe
The surface of the cup is coated. Do not wash it hard to avoid damaging the coating and affecting the use.

In order to activate cup the temperature of the hot liquid should be over 70°C/158°F. At that temperature, it is possible for the color of the mug to change
Pour in the hot liquid and the constellations magically appear. Includes: Pluto, Neptune, Uranus, Saturn, Mars, Jupiter, Earth, Venus, Mercury
You will be able to determine whether the coffee is cold by the color of the cup, so as to avoid drinking cold coffee
A cool gift for the astronomy fans, astronomer, or anyone looking for a place to put their coffee
Hand washes only. Not microwave or dishwasher safe(Please wash before first-time use)