Features Durable ABS Material: Constructed from durable ABS material, these spiral binding coils ensure long-lasting use and easy compilation of papers, providing reliable support for your documents. Colorful and Glossy Finish: Boasting a vibrant color and glossy finish, these spiral binding spines offer strong adhesion, wear resistance, and rust corrosion resistance, ensuring pages won't easily fade or break, making them perfect for repeated use. Convenient Portability: With its compact size, this spiral binding tool is easy to carry and store, making it convenient for on-the-go use without taking up much space. Versatile Binding Method: Suitable for manual or instrument binding, these spiral binder coils are beginner-friendly and adaptable to various binding needs. Wide Applicability: Ideal for offices, students, and individuals, these plastic spiral binding spines are suitable for a range of needs, providing a versatile and user-friendly solution. 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