OEM Wausau Paper Astrobrights Card Stock, available in a pack of 250 sheets. This heavyweight cardstock offers great durability, making it ideal for color-coding, menus, posters, and more. It is acid-free and lignin-free, ensuring consistent, trouble-free performance in laser printers, inkjet printers, copiers, and offset presses. The cardstock has a weight of 65 lb.