Welcome to the shop! 1. For your paper: Designed with an inner diameter of 16 mm, the spiral binding clip makes it easier to flip pages for reading and writing. 2. Better binding: Easy to open and close, you can also cut the binding clip to your desired length for your paper storage needs. 3. Large capacity: Can hold a large number of sheets up to 130 pieces, the binding spine fits for offices, classrooms, libraries, and more. 4. Good material: Made from premium plastic material with vibrant color, not easy to deform and highly durable against corrosion and long-term use. 5. 10 pieces total: There are 10 spiral binding clips in the set, and the large quantity will simplify replacing damaged ones. Product type: Spiral binding clip Inner diameter: Approximately 16 mm / 0.63 inch Number of holes: 30 holes Capacity reference: 130 sheets 10 x spiral binding clips Your satisfaction is our top priority. We will provide you with the best service. If you discover any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution!