Features Durable ABS Material: Made of durable ABS plastic, these spiral binding coils provide long-lasting strength and reliability, ensuring your documents stay securely bound. Colorful and Glossy Finish: Boasting a glossy exterior, strong adhesion, and wear resistance, these binding spines come in vibrant colors that resist fading and can be used repeatedly, adding a professional touch to your documents. Easy to Carry: Compact and lightweight, these spiral binding coils are easy to carry with you wherever you go, ensuring you have them on hand whenever you need to bind documents. Versatile Binding Method: These coils can be bound manually or with binding instruments, making them beginner-friendly and suitable for a variety of binding needs. Wide Applicability: Perfect for use in any office, by students, or individuals, these spiral binding coils are designed to meet diverse binding needs with ease and professionalism. 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