【Blackout Material】 These skylight shades are made of 1" single honeycomb cell blackout fabric, which resist wrinkle. With aluminum foil, it has 100% blackout effect, achieving ideal insulation and cold protection, bringing year-round comfort. All honeycomb fabric has a white backing to reflect even more daylight and provides a uniform appearance from the outside..【Cellular Window Shades】 With manual model push-pull system, the window shades can be controlled up and down freely and stop at any position. This is a very free way of operation by hand.For high windows, we recommend using telescopic rod..【Energy Saving and Insulation】Shades are designed with a unique air-absorbing honeycomb structure and environmentally friendly materials. This creates a layered barrier that blocks air circulation, offers sound insulation, and reduces the harmful effects of UV rays. Experience ideal insulation and substantial energy savings all year long..【Made to Order】 Each blind for window can be customized to fit your window. Please ensure accurate measurement. We offer 18 months warranty on all of our blinds & shades. If there is quality problem, free replacement..【Easy to Install】 Installing shades is a breeze, thanks to the simple and smooth operation. You can easily follow our installation tutorial, either by referring to the schematic diagram or watching our video guide. We always put our customers first, so please don't hesitate to reach out to us if you have any questions.