Features • Durable Design for Longevity: Crafted from sturdy materials, these binding spirals ensure your documents remain intact and organized for years to come • Easy Manual Binding: Designed for convenience, simply punch the appropriate holes to bind your papers, making it perfect for students and office use • Smooth Page Turn Experience: Enjoy effortless flipping with high-gloss, wear-resistant spirals that prevent breakage and fading, allowing for repeated use without hassle • Ideal 19mm Inner Diameter: Tailored to fit standard A4 and A5 notebooks, this size is perfect for teachers and students seeking reliable binding solutions • Generous Pack of 20: With 20 binding spirals included, you'll have plenty of combs for all your projects, ensuring you never run out when you need them most 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