NuWallpaper Arrowhead Deep Blue Wallpaper This peel-and-stick NuWallpaper Arrowhead Deep Blue Wallpaper ($34 for a 20.5-inch-by-18-foot roll) will give your walls a modern update without being too hard on the eyes. Image Source: amazon.com NuWallpaper Arrowhead Deep Blue Wallpaper $34 from amazon.com Buy Now