5Pcs 3 Ring Binder Clip Metal Iron O-Type Organizers Mechanism Replacement Letter Notebook Loose Leaf Binding Spines Combs Round Clips Binders for Making Folders DIY Diary Notebooks Planner [3 Ring Binder Clip]: Our notebook binder clips are designed in three rings, which can better organize the paper and are much more useful than the individual binders on the market. [5 Colors 3 Ring Binder Clips]: These 3 ring binder clips are 5 colors in total, purple, blue, pink, white, yellow, a variety of colors to give you more choices, in daily life can be selected according to their own preferences. [5Pcs 3 Ring Binder Clip]: 3 ring binder clip * 5pcs: 9.2x2.05x2.45cm(3.62x0.81x0.96inch), hole: 4.2mm; nail * 10pcs: 11.5x8mm(0.45x0.32inch), pin: 3.8mm(0.15inch). [Iron Material]: Our notebook binder clips are made of metal iron, which is strong, not easily damaged, and bright in color for long-term use. [Easy to Use]: You just need to screw the 3 ring binder clip to the cover, then press the switch on both sides of it, turn on the O-ring, and put the papers you need to organize in the binder.