Eclipse 14906052018GRE Bryson 52-Inch by 18-Inch Blackout Valance, Grey 100% Polyester Imported Valance measure 52x18 1.65 inch oil-rubbed grommets Recommended with 1 inch rod 100Percent polyester, machine washable Measure the width of the window frame.
(A to B) Measure the length of the window frame.
(C to D) Measure the length from the top of the window frame to the floor.
(E to F) Consider pooling your drapes for a more dramatic effect, this means your drapes will gather on the floor. If you have baseboard heating, consider whether you want to cover or have curtains end just above baseboard.