Wide-format CAD, engineering and GIS media paper. Compatible with most wide-format plotters and printers. Dust-free surface. Copy-20—92 US brightness rating. Uncoated bond paper with a smooth finish. Perfect for low cost printing and copying. 3" core. Sheet/Roll Size: 18" x 500 ft; Paper Basis Weight (lb): 20 lb Bond; Paper/Media Color(s): White; Color Family: White.