SKIN.The term vellum refers to a PARCHMENT made from calf skin. It is processed much in the same way as leather but the end product gives a white, SMOOTH and very durable surface.Though it used to refer only to a type of paper made from calfskin, modern vellum is made from cotton and wood pulp.It can be used for making GREETING cards or scrapbooking, as well as for TRACING designs.