... card paper 1.Not only surface,but also core are black. 2.Good stiffness and hing smoothness. 3.Environmental protection ... black card paperSubstance:80gsm,110gsm,150gsm,200gsm,250gsm,300gsm,350gsm, ... printing,paper box,greeting card and so on. SpecificationsProduct Name: Black Card Paper 100% Virgin Wood Pulp Direct Factory Swift Delivery1 ...