24 lb. Premium Color Coated Bond The water resistant inkjet coating along with a high quality base paper produces a strong, smooth printing surface ideally suited for many types of high volume CAD and graphics applications. This truly superior coating is optimized for HP, Epson, Encad and similar printers using dye and pigment inks. Core Size - 2.0" Basis Wt - 24 lb, 88gsm Caliper - 4.8 mil Opacity - 95% Brightness - 95