This binder is suitable for organizing a variety of different papers, can be used with different covers to make different books, with plenty of DIY possibility, whether it's documents, bills, journals, photo albums, handbook, recipes or sheet music, etc. can be used to ensure that the documents are neat and intact, to avoid loss. Often used in home, classroom, office, or, using a small craft business.

Specification
Material: Metal
Color: Black
Number of Rings: 6 Rings
Recommend Paper Size: A5
Binder Ring Diameter: 20mm
Binder Size: 22.1x2x2.3cm/8.7x0.79x0.91inch(LxWxH)
Package Includes: Notebook Binder Set x 4

Advantage
Made of durable metal, the binding rings remain strong after many openings and closing.
Each binder comes with a set of staples, no additional tools needed, just press firmly to install.
The product can be opened directly, but it is more recommended to press the ends to open.

Instruction
Install the staples, cover, and binder in order, and press the staples to complete the installation.
Press the two ends or open the binding ring directly with bare hands, put in the paper and press the binding ring to finish the binding.

NOTE: Please double check whether the size meets your needs before purchasing.