[100% Blackout] Our roller window shades are made of 100% polyester with blackout coating, while using advanced jacquard weaving technology.The surface of the fabric has a sense of concavo-convex, providing luxurious texture and visual appeal,make your home looks more beautiful and more artistic.Our blackout shades can block 100% of sunlight and UV rays.In summer, it blocks sunlight to make the room cooler.In winter,it reduces the loss of room heat and againsts cold through the windows .Widely used in bedroom, living room, bathroom, kitchen, office and french door.