The Clearprint 1000H 100% cotton design vellum pad is a 100% cotton sheet that is made transparent without the use of solvents. It features a smooth, transparent, and uniform surface. Pen and Pencil lines come out sharp and clean with no feathery edges and no ghosting. Retains strength, stability, transparency, and printing qualities under exposure to heat, light, and atmosphere. It will not become Yellow, brittle, or opaque with age. Compatible with a wide range of fine art media. Made in USA. 16 lb./ 60 gsm, 8.5 x 11 inches, 50 sheets/pad.