High quality with different colours.the product is straight and durable.Diamater:3mm , 4mm, 6mm, 8mm,10mm,12mm,14mm Slide binder1) An excellent alternative to other binding methods 2) Cost effective solution, 3) Easy to use.Lenght:297mmDiamater: 3mm , 4mm, 6mm, 8mm,10mm,12mm.Packing: 100 pcs/box 20 boxes/ctn Slide binder