Vellum is 90gr transparent paper. The lighter weig ht of the paper makes it very suitable for use as an inlay or inner card while it is still firm enou gh for other Pergamano techniques such as perforating embossing and painting. This vellum works very well in combination with other colours of vellum and parchment paper. You will be amazed at its versatility. The pack contains 5 sheets A4.