Opacity Blackout. Superior Blackout & Energy Savings: Black out curtains feature triple-weave technology for professional-grade light blocking. Dark colors curtains block 85%-99% of sunlight; light colors curtains block 65%-80%.
Blackout Curtains 72 Inch Length 2 Panels Set, Thermal Insulated Long Curtains&
Opacity Blackout. Superior Blackout & Energy Savings: Black out curtains feature triple-weave technology for professional-grade light blocking. Dark colors curtains block 85%-99% of sunlight; light colors curtains block 65%-80%.