OEM Wausau Paper Astrobrights Card Stock, packaged with 250 sheets per pack. This heavyweight cardstock offers great durability, making it ideal for color-coding, menus, posters, and more. The acid-free and lignin-free composition ensures consistent, trouble-free press performance. Suitable for use in laser printers, inkjet printers, copiers, and offset presses, with a weight of 65 lb.