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Under the circumstance where people want to drink something, they may grab a bottle to drink without caring about whether it is clean enough, dirt may be taken into body and disease may be take a chance to spread.
Now you can wipe out this kind of worry, since we provide a new way to protect your beverage. The only thing you need to do is to change another place to put your straw.
With average package, dirty things, such as dust, are inclined to accumulate around the straw hole, which can hardly be cleaned up. On the contrary, in Cleaner package, change of the straw hole can effectively keep dirt out and decrease its damage.
Any Hsu Wenjie Xu(professor) Yuxiao He Hanyang Zhang Rujia Chen