This is a beautiful rod sleeve style. if your looking for a simple valance, this is perfect. The sleeves are available in 2 standard sizes 3 1/2" (style A) & 5 1/2"(style B).
The 3 1/2" size is for use with 1" and 1 3/8" poles;and 2 1/2" flat rods.
The 5 1/2" size is for use with 2" poles and 5 1/2" flat rods.
Multiple sleeves can be butted together for wider rods.
fullness is 2 X the finish width.