Plastic PET Spiral Binding Coil - Single Loop for Notebook

This Plastic PET Spiral Binding Coil is designed for notebook binding and commercial printing. It features a durable single-loop design that allows pages to lay flat and fold 360 degrees. Available in inner diameters from 6mm to 50mm, with standard pitch options of 2:1, 3:1, or 4:1, it fits various paper thicknesses and standard A4-A7 sizes. The PET material ensures flexibility and a clean, rust-free finish. YPS offers flexible OEM/ODM customization for colors and lengths, backed by FSC and ISO certified quality. Ideal for high-volume notebook binding.