Neenah Astrobrights Color Cardstock, Letter 8.5 x 11 Inches, 65 lb. Cover, Jupiter Java, 250 Sheets (21937) Brightly-colored card stock gets noticed every time. Ideal for color-coding, menus, posters and more. Guaranteed performance in laser and inkjet printers. Durable and heavyweight. Acid- and lignin-free.