OEM Wausau Paper Astrobrights Card Stock, available in a pack of 250 sheets. This heavyweight cardstock provides great durability, making it perfect for color-coding, menus, posters, and more. The acid-free, lignin-free paper ensures consistent, trouble-free press performance and is suitable for use in laser printers, inkjet printers, copiers, and offset presses. With a weight of 65 lb., this cardstock is designed for high-quality printing and crafting projects.