This 20lb Bright Ink-Jet Wide Format Paper Roll was designed for large format printing on Oce, Hp, Canon, Epson, Kodak, Encad printers. This 2 inch core material was designed for cad plotting in black and white when color is not needed. Our 30” x 300' Inkjet wide-format media paper is best for producing crisp high-quality output for users requiring a cost effective inkjet bond paper. Applications include promotional charts, vector charts, layouts in a group display graphics (example a courtroom chart display), plot check proofs, indoor displays and plotter blueprints. These Dietzgen monochrome papers are extensively tested to meet or exceed Original Equipment Manufacturer for performance and quality. This 20# 30 inch x 300 foot Large-Format Printing Paper is recommended for HP Designjet, Canon IPF, Epson, Oce and all other Wide-Format Plotter Printers used in America that will pull a 300 foot roll. Core Size: 2.0" Basis Wt - 20lb 75.2gsm Caliper - 3.9 mil Size - 30 inches wide Length - 300ft per roll In Box - 4 Rolls ea. box Brightness - 92 Opacity - 91% Smoothness - 150