Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
Do you sometimes busy in finding stapler or glue to staple papers together?
Smile Paper is an innovative environmentally friendly solution to this problem, with it you dont need staple and glue.
On the paper, there is a smile-shaped crack. After printing, you just need to make the corner of Smile Paper through the crack, then these papers can stay together tightly. And if you want to separate them, you can separate them easily. It not only makes our life more convenient, but also the smile face on the paper want to make our life more funny.
Shanghai Jiao Tong University
Shanghai City, China