| 摘要 |
PURPOSE: A signal tube is provided to efficiently supply a semi-permanent use effect without a light emitting device operated with extra power by applying luminous or fluorescence pigment to a surface of a body. CONSTITUTION: A signal tube is formed into a tube shape capable of storing air inside. The signal tube includes a body(100) and a handle(110) formed on a side of the body. The handle is extended from a side of the body. An air injection hole(115) is formed on one end of the handle. Air is injected into the inside of the body and the handle through the air injection hole. When a signal tube is not used, the air injected into the body and the handle is discharged to the outside through the air injection hole.
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