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

The Color Warning / toilet paper

The Color Warning

People often meet a embarrassed situation that the toilet paper put in the box is not enough.The Color Warning could solve this problem bringing the inconvenience to people.
Color warning is marked at a place that only three pieces of paper are left. In this case, it will warn people that it is time to replace the toilet paper, or you would have no paper to use.


Jianghan University

Jianghan University
Wuhan, China