Free high resolution close up photo of a red cellular window shade. This picture shows the texture of the front of the shade with its zigzag pattern. Cellular shades are a great window covering designed to be energy efficient because air is trapped inside the honeycomb pattern of the shade. This picture would make a great web, blog, phone, or desktop background or wallpaper. Also a great texture for Photoshop or scrapbooking. Free image for any use.