Navigator Premium Multi-Use Printer & Copy Paper, White, Letter (8.5" x 11"), 5000 Sheets Per Case, 20 Lb, 97 Brightness 97 Brightness - Letter - 8 1/2" x 11" - 20 lb Basis Weight - 5000 / Carton - White Ideal for everyday printing. 100% guaranteed for all office equipment-copy, fax, laser and inkjet. Specially engineered to deliver high-quality printing results. 99.99% Jam Free. Acid-free for archival-quality.