With this heavyweight vellum, you can get the heavy weight you want from a paper while having a smooth surface that takes your ink or pencil well. With this high quality of vellum, there will be no feathering or spreading as you write or draw, and the smoothness of the surface means no skipping. The added weight of this vellum makes it the perfect medium for many tasks, and it allows for a more substantial final drawing. This 20lb vellum is of archival quality, and it is highly erasable. There will be no ghosting when you make a change, and you can redraw easily. This vellum is 80gms/meter2, and it is also available in packs of 10 and 100 sheets as well as in 1 and 20-yard rolls.