Number of holes: This product has a total of 11 holes and is compatible with A4 size 2-hole, 3-hole, and 4-hole binders.
Features: Unique and creative design allows you to store four documents on one binder insert and view two documents at the same time.. The center of the binder has a hollow design for writing on documents and to prevent reflection.
Quantity: 12 per set
Wide range of uses: Widely used in office, painting, performance and other settings, more convenient without the need to turn pages frequently.
