a4 paper Product Description A5,A4, A3, Letter size(8.5x11), Legal size(8.5x14) Office Copy Paper Material: 100% Wood Pulp,mixed pulp,recycled paper Size: A4, A3,A2,A1 Letter size(8.5x11), Legal size(8.5x14) ect, Base Weight: 80GSM, 75GSM, 70GSM Whiteness: 94-106% Packing: 500 sheets/ream, 5(10)reams/carton(box) about 8000reams per 20ft container