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

Hourglass Bottles / Tea Bottle

Hourglass Bottles
Hourglass Bottles

How long you steep tea matters, 1 or 2 minutes is enough. Delicate leaves steeped too long time will produce too much tannins, which leaves a bitter flavor in the bottle and is harmful to health. Conventional tea ball must be removed after steeping tea, so that often drips water on the table.
Hourglass bottles is a tea bottle with an integrated tea egg in the cap. Just put leaves into the cap, turn the bottle upside down to make tea, turn back to get leaves out of water.
The bottle cap is also a clockwork timer. You may use it to remind you when tea is ready.
Hourglass bottles solve the problems of unhealthy bitter tea, and is easy to use.


Tsinghua University

Tsinghua University
Beijing, China

Gong Huachao,
Tsinghua University

Jiang Jingwen,
Tsinghua University

Zhang Mingwei,
University of Edinburgh

Yang Dongyun,
University of Edinburgh

Go to profile