... friendly materials 4. short lead time Board Book Printing: High quality board book printingPaper material:White cardboard, grey back cardboard ... stamping, Glittering, etc.Die cutting, glow in dark, temperature sensitive ink, water-colored ink.Accessories:Magnet, ribbon, EVA ... Indesign files. At least 300dpi resolution.Packing details:Double Wall Corrugated Carton for Exporting and craft paper warpped ...