... copy paper,copier paper, printing paper,offset paper 2.Pulp:100% wood pulp 3.GSM:60,70,75,80 4.Brightness ... size(8.5”x14”)Base Weight80gsm, 75gsm, 70gsmWhiteness92-96%, 98-100%, 102-104%Packing500 sheets per ream, 5 reams per carton ... Ream Samples Production Line Paper in Warehouse Container Loading selling best quality 100%wood pulp a4 paper 80g