Neenah Exact Index, 8.5" x 11", 90 lb/163 gsm, Gray, 250 Sheets (49191) 90 lb. index card stock 250 sheets of gray cardstock; 8.5" x 11" Acid and lignin-free for longer lasting documents Copier, inkjet, and laser printer guaranteed for hassle-free performance Ideal for long-lasting letterheads, brochures, table tents, documents, menus, and more