Create signs invitations and custom postcards with this Exact Index Cardstock. Create custom postcards mailers signs and invitations with this Exact Index White Paper. Acid-free construction prevents discoloration to keep each sheet looking crisp and new while the smooth finish holds ink for bright color and bold monochrome prints. Boasting a 90 lb. basis paper weight this Exact Index White paper is durable enough to withstand handling by mail carriers and couriers. • This Exact 90 lb. Index Cardstock is perfect for all personal and professional projects!. • 250 sheets of 8.5” x 11” paper for premium quality projects. • Durable smooth surface for exceptional ink holdout. • Acid and lignin-free to stop yellowing and crumpling over time. • Compatible with Inkjet and laser printers for quick and easy printing. • FSC Certified for paper that is bright and environmentally-friendly. • Sold as 250/Pack.