Item Name: A3 A4 PaperBase Weight: 80gsm, 75gsm, 70gsmBrightness: 102-104%CIE Whiteness: 161-167Thickness: 100 ?m - 110 ?mOpacity: 95%Moisture Content: 4.5%Material: Imported 100% Virgin Wood PulpPacking: 500 sheets per ream, 500 reams per carton.Use: Photocopy Machines, Laser Printers, Ink-jet Printers, Fax Machines. Features and Benefits1. Perfect for high-quality printing and copying2. Super high whiteness produces outstanding clarity and contrast for all graphics/text3. Precision-cut edges for trouble-free performance4. Engineered for laser printers and high-volume copiers5. High image contrast, clarity and sharpness.6. Capability: High Speed Copying>100ppm, Laser/Inkjet/Fax capable, two side copying.