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The design point of this straw is that when people suck the hot drinks, it can make the drinks cool down almost 20°C as it approaches the mouth. Thus we can drink hot drinks without scalding ourselves. There is a hole in this product where most people hold the straw, when people suck hot drinks with this straw , air is also inhaled through the hole, thus making the drinks cool down..In this way, the drink is at a appropriate temperature during drinking, successfully avoid scalding. It reduces the time waiting for a hot drink and makes it available for drinking when people holding a hot drink to warm hands, it can also avoid scalding.The stick-part of Hot-Cool makes it possible for people to drink cold drinks freely as using it as a normal straw. Hot drinks with the stick part out, and cold drinks with it on.
Yongqing Cui,Nan Wang,Chaolong Deng,Chenchen Xu,Tong Zhao,Mengxue Xia,Xiaozhong Huang,Zhou Zhou,Yanchun Lv,Longjian Hu,Kai Wang,Qi Zhou，Xiaolong Li