Title block pad contains 10 sheets of 16 lb. vellum paper made with 100 percent cotton fiber. Unprinted paper is treated with high-impact oil resins to produce a permanently transparent drawing surface. Label and organize important information righton drawing paper. Vellum title block pad has space for scale, date, drawing number and supervisor approval. Smooth white surface is suitable for pencil and ink. Acid-free, archival vellum pad is produced without solvents to meet EPA requirements. 16lb.