Roman Shades Valance is a beautiful shade that features tie-up balloon style, you can let more natural light in while enhancing the look of your window. This curtain can block 85% to 99% light and UV rays, dark color curtain would work really well. The shade can be tied up to the point of connecting seam, you can adjust the height as needed. It’s a nice addition to your window, not only functional, it also decorates your window with style. Cleaning is not that hard, the curtain is machine washable in cold water, then tumble dry.