(21/2 lbs.)
Khaki, White, Natural, Sage, Blue, or Navy. Serious Blockout Curtains - Blue The drapes feature triple weaved fabric construction sewn with a 100% dense cotton duck canvas face and a 100% acrylic back that proved in independent laboratory tests to block out up to 99% of light, decrease exterior sound by 63%, and maintain the indoor climate to help keep energy costs down.