Showa Note Japonica Friend A4 Size Subject Notes Math Graph Ruled Leader Ruled AFL-5B Showa Note 4901772078012 (Set of 10)

A4 size 210 x 297mm A4 size study book. The ruled color is based on scientific data and is easy to write on. ◆Standards: 10mm grid, 5mm reader ruled ◆Number of sheets: 30 ◆With subject stickers ◆Cover: Blue