Pacon Products - Pacon - Array Card Stock, 65lb, White, Letter, 100 Sheets/Pack - Sold As 1 Pack - For report covers, flyers, postcards and art projects. - Use in printers, copiers or typewriters. - Acid-free for archival quality. For report covers, flyers, postcards and art projects. Use in printers, copiers or typewriters. Acid-free for archival quality.