Features: Practical tools: With plastic spiral coil, you can add papers as you need and put your files in order and neatly, no worry about losing any important sheet and easy to change papers, bringing your life much convenience. Glad to share: You can share binding spines with your family, friends, coworkers, teachers or others who need them, they will be so glad to get these practical tools, to promote your relationship. Specifications: Material: plastic Color: orange, purple, pink, green, yellow, blue Size: 1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch Package includes: 120 x Plastic spiral binding coils Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.