Features Enhanced Page Turning: Designed with a 31mm inner diameter, this spiral binding coil allows for smoother page turning, making reading and writing effortless Customizable Length: Easily install or remove the binding comb, and cut it to your desired length, providing flexibility for all your storage needs High Capacity Storage: Capable of holding a substantial amount of sheets, this binding spine is ideal for offices, classrooms, libraries, and more Features: 1、For Your Paper: Designed to have 31mm inner diameter, the spiral binding coil enables smoother page turning for reading and writing. 2、Better Binding: Easy to install and remove, you can also cut the binding comb into your preferred length for your needs of storage. 3、Large Capacity: Able to clip a large amount of sheets, the binding spine suits ly for office, classroom, library and so on. 4、Great Material: Made of premium plastic material with pretty colour, not easy to deform and very with and long use. 5、10Pcs in Total: There are 10pcs spiral binding coil in the set, and the large quantity will simplify the replacement of damaged ones. Specification: Item Type: Spiral Binding Coil Inner Diameter: Approx. 31mm / 1.22in Type: Stationery accessories binding consumables. Package List: 10 x Spiral Binding Coil Package List 10 x Spiral Binding Coil