Amazon.com : A6 Notebook Binder Cover - Binder Cover 6 ...
6 Ring Design - A6 binder cover with 6 stainless steel rings fitting for standard A6 holes, 2 cm inner diameter can hold 80 - 100 sheets A6 filler paper. Rings can be opened when you pressed down, then different inner pages can be changed, you can make a personal notebook as you like.
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