Southworth 100% Cotton Business Paper - Letter - 8 1/2" x 11" - 20 lb Basis Weight - Wove - 500 / Box - Wear , Date-coded, Acid-free, Lignin-free - White 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 printers as well as copiers.