This Clearprint Vellum Pad features smooth 1000H transparent vellum that retains strength, stability, transparency and printing qualities under exposure to heat, light and atmosphere. Pen and pencil lines come out sharp and clean without feathery edges or ghosting. Details: Transparent Available in multiple sizes 16 lb.50 sheets Durable, reworkable surface The paper will not yellow or brittle with age Acid free 100% cotton vellum