| 摘要 |
PROBLEM TO BE SOLVED: To provide a writing board capable of annexing the retaining means of writing materials or the like without increasing the weight of the board and capable of retaining or removing the writing materials or the like easily. SOLUTION: The writing board is characterized by a polyolefin resin film, bonded on the surface of a substrate, a separable bonding agent layer, formed at a proper position on the surface of the polyolefin resin film, and a self-adhesive film, bonded on the rear surface of the substrate.
|
