Features Durable ABS Material: Constructed from durable and strong ABS material, these spiral binding coils ensure long-lasting use, allowing for easy paper compilation and repeated use without breakage. Colorful and Glossy Finish: Featuring a vibrant and glossy exterior, these spiral binding spines offer strong adhesion, wear resistance, and rust corrosion resistance, ensuring longevity and vibrant page turning. Convenient Portability: This spiral binding tool is designed for easy portability, making it convenient to carry on the go without taking up much space when stored. Versatile Binding Method: Compatible with manual or instrument binding methods, these spiral binder coils are novice-friendly and suitable for various users, providing ease of use for office, student, and individual needs. Wide Applicability: Suitable for various scenes including office, student, and personal use, these plastic spiral binding spines are a versatile solution for anyone in need of reliable binding options. Specification: Item Type: Spiral Binding Coils Material: ABS Inner Diameter: Approx. 11mm / 0.43in Application: Stationery accessories binding supplies Package List: 20 x Spiral Binding Coils Package List 20 x Spiral Binding Coils