The plastic binding spines are suitable for organizing your documents, whether for work or personal projects. Use them with a binding machine spiral coil binder to create professional-looking reports, presentations, or DIY notebooks. Simply insert your punched papers into the comb binding covers and close the spine to secure your pages neatly. Features -Color:Assorted Color -Material:Plastic -Size:28.00X3.00X1.50cm/11.00X1.18X0.59in -Durable material: made from plastic, these 30hole binding rings are designed to withstand frequent use without breaking or deforming -Versatile use: ideal for binding notebooks, planners, and looseleaf documents, these rings offer a flexible solution for various binding needs -Easy to use: the 30hole design ensures a secure and stable binding, making it easy to add or remove pages as needed without any hassle -Professional appearance: these binding rings provide a clean and professional look to your documents, making them suitable for presentations and reports -Wide compatibility: compatible with most standard binding machines, these rings are a convenient addition to any office or home binding setup Package list: 5 x yellow binding ring, 5 x pink binding ring, 5 x green binding ring, 5 binding ring, 5 x purple binding ring