Bola dunia is multi-purpose photocopy paper which is designed to meet a wide range of applications such as high speed copying, simplex and duplex jobs, b/w and color laserjet, inkjet and plain fax. Bola Dunia is certified with ISO 9706 so that it will keep documents for over a hundred years without deterioration, which makes itinvaluable for archive use. It is available in 70 & 80 gsm Product Description: Sheet Size:210mm x 297mm, International Size A4 Quality: 100% Virgin Wood Pulp Whiteness = 102-104%,Natural White Capability: High Speed Copying100ppm, Laser Capable,Inkjet Capable, Fax Capable. Thickness: 103-110 um Surface roughness TS ml/min: 75-175 Surface roughness BS ml/min: 100-200 Bending stiffness MD: >110 Mn Bending stiffness CD: >50 Mn CIE whiteness: 152-170 Cobb Test: 27-33 g/m2 27-33 Quality : No jam in photocopy machine No double feed Stay flat after copying Leave no dust in the copy-machine Nice appearance-white and clean Nice touch-smooth and bulky No see through-print both sides 1 Box : 5 reams 1 reams : 500 sheets Packaging : plastic wrapping