| 摘要 |
PURPOSE: A sketchbook including a cover integrated to a binder is provided to prevent the waste of paper, and the generation of injuries on hands of a user. CONSTITUTION: A sketchbook includes a binder(2) and plural inner paper sheets(10) inserted into the binder. The binder includes a main body and a handle(26). The main body includes plastic upper and lower covers, and a side end member. The cross section of the main body is a U-shape. The handle is attached to the outside of the side end member. |
