| 摘要 |
<p>The present invention provides a clean tumbler, which further can hygienically be used. The clean tumbler includes a film preventing contents (foreign substance), whereby exiting a user′s mouth after entering, from entering again into the tumbler. When saliva is stained on a portion of the tumbler where the mouth comes in contact, an unpleasant smell is smelled on the area where the saliva is dried out. As such, the user has an unpleasant smell in this area because the user′s nose is positioned just above the area in contact with the mouth. Therefore, an unpleasant smell can be reduced by a scent chip when the user uses the tumbler.</p> |
