This 2-Pack of Sun Zero Fulton Energy-Efficient Curtains drops from $49.99 to $24.99 to $15.99 when you add the codes SLEEPWELL20 and FF20OFF at checkout at Kohls.com. This is the lowest price we could find on these curtains anywhere. You get two panels and can choose from three different sizes in seven colors, but not all size/color combinations are available. Shipping adds $8.95 or is free over $75, or you can choose free in-store pickup on many items. Sales tax is charged in most states.