Name:multi-purpose copy paper, office paper, copier paper, offset paper, photocopy paper Gsm:60g.70g, 75g, 80g 100% wood pulp with whiteness iso96-100 100% wood pulp with whiteness iso101-104 Size:a4, a3, 8.5*11, 8.5*13, 8.5*14 Moisture:3.5-4.5% Cie whitness: 148-152 Key perforance: No jam in photocopy machine No double feed Stay flat after copying Leave no dust in the copy-machine No see through-print both sides Been developed for:photocopy machines, laser printers, ink-jet printers, faz machines 500sheets/ream, 5reams/carton