Canson Artist Series Vidalon Vellum Tracing Paper, 9in x 12in, 50/Sheets. Vidalon is a highly transparent, French-made natural tracing paper of exceptional quality. Natural vellum is transparentized without oil, unlike typical American-made tracing vellums. This paper features a specially developed surface designed to take pencil or ink without smudging while allowing repeated erasures without residue or ghosting. Also suited for markers, this paper accommodates layers of color with vibrant intensity.