20Pcs Plastic Spiral Binding Coils 19mm 3 4in ID 30 Holes Spirals for A4 A5 Notebook

Feature: 1. DURABLE WITH LONG LIFE: Durable 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 surface gloss, strong adhesion, wear resistance, rust 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