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Auto-flatten Pack is a smart package similar to ac- cordion, utilized the theory of vacuum, so that as long as you drink more, it become flatter automatically. Not only can you reduce the trouble, but also can see how much drink left simply. And the material of Auto-flatten Pack is stable enough to stand and preventable of re- bounding back. After finished drinking, your Auto- flatten Pack also be squashed into flat simultaneously, completed the goal of convenience and recycling.
chang chung university
hsinchu, Taiwan
Kao Erh-Ting,
chang chung university