Neenah Index Paper - White - Exact Index Paper offers a uniform, smooth surface that enhances ink holdout and printability. Uniform surface enhances overall printability. Durable, 90 lb. paper provides excellent bulk and meets 7 point postal requirements. Ideal for brochures, covers, tabs, file folders and business forms. Acid-free paper is compatible with laser printers, inkjet printers, copiers and offset machines.