Features • Long-Lasting Durability: Constructed from sturdy plastic, these binding spirals ensure your documents stay compiled and intact for extended periods • Easy Binding Process: Designed for manual binding, simply punch holes and enjoy a hassle-free experience suitable for offices, students, and individuals • Smooth Page Turning: Enhanced gloss and strong adhesion provide wear and aging resistance, allowing for repeated use without breakage or fading • Ideal Size for Versatility: With a 19mm inner diameter, these binding spirals are perfect for A4 and A5 notebooks, catering to a wide range of stationery needs • Ample Quantity for Convenience: Each package contains 20 binding spirals, offering ample replacements for all your binding projects, keeping you well-stocked Features: 1、 WITH LONG LIFE: and sturdy plastic binding spirals allow you to easily compile paper and store for long periods of time 2、CONVENIENT BINDING METHOD: Can be manually bound by punching suitable holes, which can be easily operated by any office, student party, and individual 3、GOOD GLOSS WITHOUT BREAKAGE: Possess good gloss, strong adhesion, wear resistance, resistance, aging resistance, not easy to break and fade, smooth page turning, can be used repeatedly 4、19MM INNER DIAMETER: Stationery accessories binding consumables, inner diameter for 19mm, suitable for students and teachers 5、20PCS IN TOTAL: The package contain a total of 20pcs binding spirals, enough for you to replace and use, very convenient Specification: Item Type: Plastic Spiral Binding Coils Inner Diameter: Approx. 19mm / 0.75in Type: Stationery accessories binding consumables Package List: 20 x Plastic Spiral Binding Coils Package List 20 x Plastic Spiral Binding Coils