OEM Astro Astrobrights colored paper, available in a ream of 500 sheets. This premium 24 lb. paper is 20 percent thicker than standard sheets, making it ideal for creating attention-getting notices, flyers, announcements, and bulletins. Each sheet is acid-free and lignin-free, ensuring durability and longevity. Compatible with copiers, offset printers, laser printers, and inkjet printers.