Paper Cardboard Hardboard Paperboard Duplex Board Grey Back in RollsGradeAvailable SubstanceAAA200g230g250g300g350g400g450gAA*230g250g300g350g400g450gA*230g250g300g350g400g450gPackageRoll Packaging: each edge around with a protector, and wrapped with PE film.SizeRoll Size: 787mm, 889mm, 500mm, 550mm, 580mm, or customized size.Business DetailTrade terms: FOB, CIF, CFRPayment terms: T/T, L/C at sightSamples: Free sample in A4 sizeMOQ: 1*20 container ( around 16 ton for rolls )Delivery time: 20 days after down payment.