Southworth 100% Cotton Business Paper - Letter - 8 1/2" x 11" - 24 lb Basis Weight - Wove - 500 / Box - Watermarked, Date-coded, Acid-free, Lignin-free Archival-quality business paper is ideal for legal documents, letterheads and resumes. Design features 100 percent cotton fiber, watermarking and date-coded for authentication. Each sheet is acid-free and lignin-free. Medium-weight premium paper provides superb print quality in inkjet and laser printers as well as copiers.