Color: White, Size: 18 inches x 20 yards. Canson lightweight sketch rolls are great for quick sketching, tracing, drafting, and project overlays. These translucent rolls are convenient to have in any artist studio and when working on larger scale projects. The smooth surface is suitable for pencil and pen. This paper erases cleanly and is acid free. This roll is 18 inch x 20 yards and 18 pound/30 gram in white.