| 摘要 |
[PROBLEMS] To provide a three-dimensional mask capable of preventing receptacles from getting fogged by wet air rising upward from the inside of the mask. [MEANS FOR SOLVING THE PROBLEMS] This mask comprises a body part (2) covering the objective portion of the face of a user having the mouth (8) and the nose cavity (7) of the user and locking parts (3) extended from the side end parts (2e, 2e) of the body part (2) and locking the body part (2) to the face of the user. A projected piece (9) projected diagonally downward is laterally formed on the inner surface of the body part (2) at a position higher than the portion thereof covering the nose cavity (7). |
