16lb Produced without solvents to meet EPS requirements Treated with high impact oil resins to produce a permanently transparentized drawing surface Surface is smooth and white Suitable for pencil and ink Acid-free - archival No ghosting - smudging or cracking from repeated ...16lb Produced without solvents to meet EPS requirements Treated with high impact oil resins to produce a permanently transparentized drawing surface Surface is smooth and white Suitable for pencil and ink Acid-free - archival No ghosting - smudging or cracking from repeated erasing or redrawing Pads are taped and glued to chipboard backing and individually shrink wrapped Rolls and sheets are packaged in a tamperproof bag Available in Plain - Cross Section Grid - and Title Block and Border.