Best Home Fashion Star Print Thermal Insulated Blackout Curtains - Back Tab/ Rod Pocket - Navy - 52"W x 63"L - (Set of 2 Panels) Star Foil Print Thermal Insulated Blackout curtains add an unexpected twinkle to these practical window treatments. Laboratory test shows these curtains insulate against heat and cold, saving you money & energy. Independent laboratory test also shows curtain blocks out 99.9% of light and 100% of UV ray. Machine washable for easy care. Set: 104