we have 20 30 40 60 80 mesh , so any one you can choose . best price for 99%,with 20' feet container ,25kg or 50LB kraft paper bags ,25kg/pkg,880bags/20’FCL 20-30, 40-60, 60-80 , FOB USD1350/MT, , 70%-80%purity FOB USD1030/MT .