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:

iF SOCIAL IMPACT PRIZE
(free of charge)

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

Publish your project

cooling straw / straw

cooling straw
cooling straw

The people want to drink a cool beverage when they feel thirsty.
But if there is not a cool beverage which did not put in the refrigerator,
many hours will be necessary to make a cool beverage.

This cooling straw includes a small quantity of water inside the straw.
Put this cooling straw in freezing compartment and make ice when you want to drink a cool beverage.
Uses. cooling straw when you drink a cool beverage.
It will be changed a cool beverage before you wanted while a tepid beverage comes in into your mouth .
Because the water included inside the straw has quickly frozen .

University

seoulnationaluniversityoftechnology

seoulnationaluniversityoftechnology
seoul, South Korea

hyungjoon kim

Design

kim, yoonsang

kim, yoonsang
seoul, South Korea

yoonsang kim