Multi-function a4 copy paper Basic weight 70gsm, 75gsm, 80gsm Size A4, a3, 8.5*11", 8.5*13", 11*17" Moisture 3.5%-4.5% Opacity >94% Brightness 101-104% Place of origin Bilbao, spain Key performance No jam in photocopy machine Leave no dust in the copy machine Nice appearance-white and clean Nice touch-smooth and bulky No see through-print both sides Been developed for Photocopy machines, laser printers, inkjet printers, fax machines Packing 500sheets/ream, 5, 8 or 10reams/carton 2.5kg