... 100%wood pulp 2.Grammage:70gsm,75gsm,80gsm 3.Size: a4,letter size,legal size 4.Brightness:94-104% paper ... cutting reduces the dust in paper. Smooth surface reduces the machines from wearing and maintaining.6. Double-copying, and economic: high-quality material ... one ream: we guarantee 500 sheets of high quality paper in one standard ream. selling best price high quality multi-purpose 80g a4 copy paper