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Leaf / Healthcare


Leaf is a kind of disposable and eco-friendly portable sputum absorbing slice which can be used to spit up sputum. Open the top layer of Leaf, spit on the indentation and press down the edge of it tightly, just a few steps, Leaf can render you a convenient,hygienic, and environmental-friendly way of spitting up sputum. You no longer have to worry about how to spit politely, properly and where to place the used tissue.
Nowadays, along with the rapid development of economy, air pollution has become more and more severe. Especially in some northern countries, the hazy weather is becoming far from rare to be seen and the air pollution index can r


Jiangsu University of Technology

Jiangsu University of Technology
ChangZhou City, China

Wan Yiu Koo,
Jiangsu University of Technology

Kai Lee,
Jiangsu University of Technology

Lei Leong,
Jiangsu University of Technology

Yi Ming Yuen,
Jiangsu University of Technology