Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:


Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Warmbler / tumbler


Warmbler is a tumbler with heating function.
The lid with the heating plate is a form of “Push button switch” .
As you push down the heat plate, it starts heating until it is heated to 80~90℃, on which tea tastes the best, not to 100℃.
It is automatically turned off when the temperature gets to the propriate level, or you can push down the heat plate whenever you want to stop heating.
Wherever you go, you can enjoy a cup of warm tea.


Gachon University

Gachon University
Gachon University
seongnam, South Korea


Gachon University

Gachon University
seongnam, South Korea

Salbi Yim