Sold as 250/Pack. Exact Index Cardstock is perfect for index cards, posters, gift tags, report covers, table tents and more!. Acid-Free and Lignin-Free for long lasting results that won't yellow over time. 90 lb. index cardstock is more flexible than 67 lb. Vellum Bristol cardstock, yet is less durable than 65 lb. cover cardstock. Exact Index products are FSC certified for responsible forestry. You will receive 250 sheets of 8.5' X 11' white cardstock. Works well with printers including inkjet and laser for jam-free every day printing.