... back cardboard back up or more layers mounted per your requirements;128gsm, 157gsm art ... cardboard back up or more layers mounted per your requirements.Printing:CMYK full ... coating, Spot UV, Embossing & debossing, Hot foil stamping, Glittering, etc.Die cutting, glow ... Wall Corrugated Carton for Exporting and craft paper wrapped inside, size per your book specifications. MOQ:500pcs for each style Hot sale ...