Made of 100% new cotton fiber media, this 16 lb. vellum is made transparent without the use of solvents. Features a smooth, uniform surface. Pencil and pen lines come out sharp and clean with no feathering edges. Erases without ghosting. Retains strength, stability, transparency and printing qualities under exposure to heat, light and atmosphere. Will not become yellow, brittle or opaque with age. Compatible with a wide range of fine art media. Top, tape-bound pad has 50 sheets, each measures 11x17".