Approximately 20% lighter than conventional products (5 books have a total of 4 previous products.)
The thickness is 92 μm. The lining is similar to the conventional products.
Divided 4 pages to create 3 diagrams with 2 steps that can be made between 1 row.
4 features are easy to use, and if you want to show off your text beautifully, "Logical Note".