Astrobrights Colored Paper, 24lb, 8-1/2 x 11, Re-Entry Red, 500 Sheets/Ream, Sold as 1 Ream, 500 per Ream Acid- and lignin-free colored multipurpose paper. The brightest and the best! Attention-getting notices, flyers, announcements and bulletins. Guaranteed performance in laser and inkjet printers. Acid-free, lignin-free.