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

Letters for you / a public welfare plan based on local supermarket

Letters for you
Letters for you

Letter For You is a public service design based on local supermarkets. The coating of the product label gradually disappears with time, revealing the underlying letter. Customers can donate public goods exchange letters(mails) by collecting the corresponding letters(alphabets) on the back of the shopping receipt to help the poor, which encourages people to buy products with old dates.
It could reduce the Food waste causing by Expired. Supermarkets and dealers can also make more profits, and take some of the profits to provide free materials to help the poor. Also, the collecting game make the customer's shopping journey more interesting.


Guangdong University of Technology

Guangdong University of Technology
Guangzhou, China

Xu xiying,
Guangdong University of Technology

Yao Jiayi,
Guangdong University of Technology