A4 paper and copy paper with 100% virgin wood pulp,the good quality,competitive price and good after sale service. Brightness106% Package: 500 sheets per ream, 5 reams or 10reamsin a box. Nice appearance-white and clean Nice touch-smooth and bulky No see through-print both sides Been developed for: Photocopy machine, laser printers, ink-jet printers, Fax machines.