... PuzzleSize:21X28 cmPaper:300gsm duplex cardboard + 650gsm grey board +300gsm duplex cardboard with grey backPrinting:4 color processes ... inside: glossy varnishPacking: shrink wrapping each Spread View Cardboard Puzzle Produce Processes: All Artwork Formats Friendly We ... As for the costs and shipping period information, please contact us by telephone, email, or online trade manager. Cardboard Puzzle ...