| 摘要 |
The present invention relates to a board, capable of being written. The board comprises: a main body formed with a space unit inside; a roller installed on the space unit of the main body to be able to rotate; and a writing plate wound and unwound by the rotation of the roller, and having a front end unit connected to the roller. According to an embodiment of the present invention, the portable roll board is convenient to be carried, and has effects in improving the usability. |
