... paper,4C Inner: 80g offset paper,80sheets ,1C +1C spiral binding Hardcover notebook printingDescription:1)Size\artwork: customized2)Material: ... , special paper,silk ribbon, wire-o etc3)Printing process: full colour, four colour, black and white colour4)Binding: hard ... cover binding, perfect binding, glue and sewed binding, spiral binding5)Finishing: gluing, matt\gloss lamination,spot UV,UV ...