Eclipse 14403040X063CHC Nikki 40-Inch by 63-Inch Thermaback Single Window Curtain Panel, Chocolate 100% Polyester Imported Sold as single panel 1.65 Inch grommet, accommodates a 1 inch rod Easy care, machine washable 100% polyester. Tolerance:1/2 inch Blocks out 99% of light and reduces outside noise.