1.copy paper 2.20years experience 3.Brightness>102% 4.Substance: 70g 75g 80g 5.100% virgin woodpulp A4 paper1, 70, 75, 80gsm, 2 ... .Size:A3, A4, B4, B5, 8.5"x11", 8 ... ~7Wax pickingA≥14UsageOfficePacking500sheets/ream, 5-10reams/carton. Packing: For sheets paper :500sheets/ream, 5-10reams/carton ;