12Pcs DIY Mushroom Hole Disc Binding Ring Loose Leaf Notebook Binder School Supplies(Blue 25mm)
$ 13.69
1It is a small disc with raised edges, with which the book can be rotated 360 2The paper with the hole of the mushroom can be combined at will, and the inner page can be turned over and can be increased or decreased at will. 3Through the mushroom hole, the inner paper can be turned into different inner pages that can be matched with personal preference. 4Freely match the ring color, different ring sizes to adapt to different thicknesses 5It is a good choice for daily notebook binding