A loose-leaf binder notebook is a kind of stationery, in which there is a circular loose-leaf binder.
The loose-leaf binder notebook can be divided into 2-hole binder notebook, 3-hole binder notebook, 4-hole binder notebook, 6-hole binder notebook, 9-hole binder notebook, 20-hole binder notebook, 26-hole binder notebook, etc.
According to the material of loose-leaf clip, it can be divided into plastic loose-leaf clip notebook and metal loose-leaf clip notebook.
According to its function and use, it can be divided into ordinary loose-leaf book, universal manual, efficiency manual, etc.