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Touchin / Bottle Accessory

Touchin
Touchin

Do you know that water bottle which you drink by touching your mouth, is being polluted?
Without realizing it, water bottle as well a water in the bottle are being polluted through your hands ans mouth.
Lots of micoorganisms which is bacteria, are living in our mouth and they can breed quickly in the water bottle which we were touching our mouth more than once.

University

keimyung univercity

keimyung univercity
Daegu, South Korea

so hyeon yun,
keimyung univercity

ji hyun byun,
keimyung univercity