... :6mm----50mm Range: Notebook,album,calendar and so on.Plastic Rings Binding Environment PVC material High quality and durability Wide ... choice of colorPVC Binding Comb Plastic Rings BindingColor: white, black, red, blue, yellow, green, ... LEVER CLIPS,WIRE CLIP,RING MECHANISM, File Folder and Plastic Accessories TypeFor further details, please do not hesitate to contact ...