Creative boutique coffee life discoloration coffee cup

Published: Sep 05, 2026 Author: World Gafei Last Updated: Sep/05/2026 131 views

A very innovative creative design switch indicating coffee cup brings us a new creative design concept and adds a lot of color to our daily life. In fact, the seemingly simple creative coffee cup can automatically show the current hot drink status in the cup. You may think at first glance that this is just an ordinary black mug with the big white word OFF engraved on it. But one.

A very innovative creative design "switch" indicator coffee cup brings us a new creative design concept, which adds a lot of color to our daily life. In fact, the seemingly simple creative coffee cup can automatically show the current hot drink status in the cup.

You may think at first glance that this is just an ordinary black mug with the big white word OFF engraved on it. But once you add a hot drink, the mug immediately changes from black to white and displays the big black word ON. Pretty cool, huh? That's because the surface of the cup is covered with a highly sensitive layer of variable sensing pigment that can be exchanged between black and white, depending on whether hot drinks are added to the cup. Very practical and cool creative design gadgets.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou's FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。