What are the typical sizes of customized notebooks?

1、 Gift Notepad Lined Inner Page Size (with Mounted and Inserted Envelopes)
1. 15K (also known as A4, larger than 16K): height 265X width 208mm;
2. 16K (also known as B5, positive 16K): height 255X width 183mm;
3. 20K (also known as large 24K): height 206X width 183mm;
4. 25K (also known as A5, larger than 32K): height 206X width 140mm;
5. 50K (also known as small 48K): height 165X width 82mm;
2、 Gift Notebook Binder Inner Page Size (with Binder and Binder Cover)
1. 16K (also known as B5, positive 16K): height 255X width 183mm;
2. 20K (also known as large 24K): height 206X width 183mm;
3. 25K (also known as A5, larger than 32K): height 206X width 141mm;
4. 36K (also known as positive 36K): height 165X width 125mm;