Operating Instruction Booklet Printing: ♥ product detail NameBrochure printing Material Ivory board(250gsm,300gsm,350gsm)Coated paper(128gsm,157gsm,200gsm,250gsm,300gsm)Duplex board with grey back(250gsm,300gsm,350gsm,400gsm)Grey cardboard(250gsm,300gsm,350gsm,400gsm)Double-side offset paper 80gsm,100gsmkraft..