... :70 \75 \80 GSM in weight 2. Size :A4, 8.5'*11' ,8.5'*13'/14,A3 3. Brightness:94%-96,98 ... ,A4 Copy PaperMaterial100% wood pulpSizeA4, A3, Letter size(8.5x11),Legal size(8.5x14)Base Weight80gsm, 75gsm, 70gsmWhiteness98-100%, 102-104%Packing500 ... and high, the more clear copy. Basic parameters Package Quantity 500 / pack 8 packs / box Suitable for a variety of copiers, printers ...