Free high resolution close up photo of light blue, sky blue, or azure colored card stock. Card stock, also called cover stock or pasteboard is a heavy paper board often used for file folders, business cards, or posters. This macro photograph shows the texture of the paper with fibers and slight color variations. Great background, wallpaper, or texture image for a website, blog, computer, phone, scrapbooking or Photoshop. Free image for any use.