Here are some good reasons why people might choose Fumlyate double curtain rods:

1. Classic Design: Classic double curtain rods have timeless designs that can fit in with a wide range of decor styles. They offer a traditional, elegant look that never goes out of style.
2. Versatile: Classic double drapery rods work well with a variety of curtain styles, including sheers, drapes, and heavier fabrics. They can be used in living rooms, bedrooms, dining rooms, and other areas of the home.
3. Durability: Fumlyate heavy duty dual curtain rods are made from high-quality materials, aluminum. This makes them more durable than cheaper, flimsy alternatives, helping you get rid of sagging in the middle of the curtain rod.
4. Easy to Install: Classic double curtain rods are typically easy to install, as they come with all of the necessary hardware and instructions. This means that you can quickly and easily update the look of your windows without having to hire a professional.

For better light blocking, you must leave an overlap on both sides of window, the recommended overlap is at least 2”-6”.
Double Curtain Rods for Windows 36 to 72 inch(3-6ft):suitable window size 24"-68";
Double Curtain Rods for Windows 72 to 144 inch(6-12ft):suitable window size 60"-140".

Specifications:
Size of bracket: 6.1 in(L)x 2.9 in(H)
Distance from the wall to the back rod: 2.2 inches
Distance from the wall to the front rod: 4.9 inches
Distance between front and back rod: 2.2inches

Package include for 72-144 inch:
2 x 7/8 inch Diameter Front Inner Rod
1 x 1 inch Diameter Front Outer Rod
2 x 1/2 inch Diameter Back Inner Rod
1 x 5/8 inch Diameter Back Outer Rod
3 x Solid Aluminum Brackets
4 x Aluminum Decorative Lantern-Finials
7 x Screws & anchors
1 x Allen Key