25 sheets: 50 g/m2 to 61 g/m2

20 sheets: 62 g/m2 to 80 g/m2

16 sheets: 81 g/m2 to 91 g/m2

5 sheets: 92 g/m2 to 216 g/m2

Paper weight of 217 g/m2 / Bond or more is only available for cover sheets, and a sheet is counted as 5 sheets.