450GSM Coated Duplex Board With White Back PaperModel NO.: White Back PaperEffect: Packaging FunctionStructure: Surface LayerOrigin: ZhejiangMaterial: PaperFolded: FoldedSurface Layer: Duplex BoardProduct DescriptionCoated Duplex Board with White Back PaperFeature1.High surface flatness2.Thick high-weight product with strong stress resistance and stiffness3.Good uniform inking and ink fixation drying effect 4.Surface gloss glazing to improve water resistance and uniformity. 5.High quality printingApplication