Beautifully monochromatic, this beloved seashell design has a modern style. Perfect for powder rooms and more, Scalamandre's hand crafted, versatile pattern will add a neutral elegance to your décor. The Graphite Coquina Scalamandre Self Adhesive Wallpaper from the NuWallpaper Signature Series comes on one roll that measures 20.5 inches wide by 18 feet long.