... in paper product field SGS,ROHS,FCS certificate proved Specifications-Size:A4,A3,8.5"x11",11*17'' -Base Weight ... -Whiteness: 92-96%,98-100%,102-104% -Materials:100% wood pulpcopy paperPacking: 500 sheets per ream, 5 reams per cartonBeen ... Ink-jet Printers, Fax Machines. Itemcopy paperMaterial100% wood pulpSizeA4, A3, Letter size(8.5x11),Legal size(8.5x14)Base Weight80gsm, 75gsm, 70gsmWhiteness94-96 ...