| 摘要 |
PURPOSE: A disposable waterproof cup is provided to prevent a disposable cup from absorbing water. CONSTITUTION: The disposable waterproof cup comprises: a disposable cup(1); and a coating(2) formed inside the disposable cup(1). The coating treatment is carried out in such a manner that another sheet of thin vinyl is applied on the disposable cup(2). By this, it is possible to prevent the disposable cup(2) from getting crushed once a user uses the cup only several times to drink water or alcohol.
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