473ml Hyper Colour Blank Tumblers

The reusable colour changing coffee cups look plain before they change color, but add hot water and pour in your favorite warm drink, like coffee, and it turns into beautiful colors that match the lid of the coffee cup

There are five colors to choose from: black to red, orange to yellow, green to light yellow, purple to light pink, blue to cyan. 

They are dishwasher safe and microwaveable.  

Not only will you enjoy your mug but they make a great Unique Gift!!

Specifications:

Material: food grade PP, environmental protection, health and high temperature resistance

Color: as shown in the figure

Size: as shown in the figure

Capacity: 473ml 

Dishwasher safe, microwave safe, temperature resistant (120 ° C / 248 ° f)

Color change effect: add hot water above 40 ℃ to change color