Product Description:1. Weight:70, 75, 80gsm, 2. Size:A3, A4, B4, B5, 8.5"x11", 8.5"x13".3. Material: 100% virgin wood pulp.4. Packing: 500sheets/ream.5-10reams/carton5. Useful:Be used for Photocopy Machines, laser Prints, Ink-jet Printers, Fax MachinesIf you have any need, please contact me at any time, we will do our best to make you feel satisfied.