Plastic coil binders are an excellent alternative to other binding methods which might be too expensive or slow.With a plastic coil binder, your documents can be bound and ready in just seconds.Plastic coil binders work by punching the document prior to inserting a strong, flexible, coil.The coil is spun, or threaded, into the document along its punched seam.These binders are perfect for large and small companies that want a quick and easy way to bind numerous documents while maintaining presentation quality.Plastic coil bound material opens completely and lays flat.Excellent as presentation material when hands-free reading is desired.According to different diameters.Plastic coil binding can be divided as:1.6mm 2.8mm 3.9mm 4.10mm 5.12mm 6.14mm 7.16mm 8.18mm 9.20mm 10.22mmColors available:White, black, red, blue, green, yellowThe length of this product is 900mm.Of course, you can call for specialized length.Pack1.For finished products:Bulk pack.2.You can call for specialized pack.