A4 Size paper copy paper ,a4 copy paper 80 gsm,white A4 paper to office ,a4 paper in china , cheap copier paper COPY PAPER Material 100% high quality virgin wood pulp Size A3, A4, B4, B5, Letter size(8.5x11), Legal size(8.5x14) Color Usually white, other colors can be achieved Base Weight 80gsm, 75gsm, 70gsm Whiteness 102-104%, 108-110%