Smooth, sleek look in your choice of 5 colors. Opacity: Light Filtering. Fabric Content: 100% Polyester. This stylish alternative to standard window treatments features an aluminum track system with panels that glide easily into place, and a patent-pending attachment design that reduces light gap between panels. Sliding panels are ideal for patio doors and wide windows. They can also be mounted on a ceiling to make a perfect room divider and closet door alternative. Plus it's easy to mix and match different styles and colors on one track for a personalized or seasonal look. Choose decorative options such as wood cornices, fabric-wrapped cornices or a classic square-corner valance with fabric insert. Best of all, panel accents are available in most of the styles and colors featured in the Roman, Solar and Roller shade collections for a perfectly coordinated look..