40/100 Sheets Blank Draft Paper Grids/Blank Beige Eye Protection Calculation Paper A4/B5 Notebook Study Painting Supplies

High-concerned chemical : none Size:A4-297x210mm;B5-255x175mm Weight:A4/100Sheets-420g;A4/40Sheets-155g;B5/100Sheets-284g;B5/40Sheets-140g Features: Notes: 1.Transition: 1cm=10mm=0.39inch Package Included: Label: Yes