Interesting window treatment - Elegant Home Fashions Frost Gray Cordless Room Darkening Fabric Roman Shade - 48 in. W x 64 in. L - - The Home Depot
Look at this Frost Hanson Room-Darkening Curtain Panel
Sun Zero Semi-Opaque Tovi Citrine Room Darkening Curtain Panel - 40 in. W x 84 in.
Found it at Wayfair - Eclipse Room Darkening Single Curtain Rod and Hardware Set
You'll love the Castello Eyelet Room Darkening Curtains at Wayfair.co.uk - Great Deals on all Home Décor products with Free Shipping on most stuff, even the big stuff.
Blue Madison Pole Top Curtains 95 in.
Sky Blue Miuco Blackout Curtains Room Darkening Curtains Textured Grommet Panels