... BoardSize:18 x 21 cmPaper:300gsm duplex cardboard + 650gsm grey board +300gsm duplex cardboard with grey backPrinting:4 color processes Surface ... lamination, inside: glossy varnishPacking: shrink wrapping each Spread View Magnetic Puzzle Board Produce Processes: All Artwork Formats Friendly We accept all the ... , please contact us by telephone, email, or online trade manager. Magnetic Puzzle Board