| 摘要 |
PURPOSE: A lineless mask including an adhesive material formed with silicon is provided to enable a user to easily use the mask by removing a line. CONSTITUTION: A lineless mask comprises the following: a silicon mask(10) including a filter structure unit in the center; a filtering unit(40) formed around the filter structure unit; and an adhesive material spread on the inside of the silicon mask with the smooth surface. The silicon mask is manufactured with a fiber, a synthetic resin, or a rubber material. The adhesive material is selected from the group consisting of acryl, silicon, gums, polyvinyl chloride, and starch.
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