... : rigid cardboard,corrugated/fluted paperboard,fancy paper,coated paper,ivory card paper,etc.depends on box style and structure,we ... the product inside up-market. Brand NameZhan Da ShengMaterialIvory board(180gsm,250gsm,300gsm,350gsm)Coated paper(128gsm,157gsm,180gsm,200gsm ... ,230gsm,250gsm,300gsm)Duplex board with grey back(200gsm,250gsm,300gsm,350gsm,400gsm)Grey ...