Wide-format CAD, engineering and GIS media paper. Compatible with most wide-format engineering inkjet plotters and printers. Dust-free surface. This product was made from wood that came from a certified managed forest. 92 US brightness rating. Uncoated bond paper with a smooth finish. Perfect for low cost printing and copying. 3 core. Size: 24 x 500 ft; Paper Color(s): White; Paper Weight: 20 lb.