Skylight Shades Blinds：Upgraded custom skylight shades, it has a long life and easier to install, which can be applied to all the windows in the room, the included sealing strip can make the shade and the window fit perfectly for the best blackout effect. Blackout Skylight Shades Blinds:Frame Cellular is also called Skylight Shades. The Size Measurement is very important, so please follow our suggested measurement for shade size. The Shade Size must be smaller than the window size in order to install smoothly, please pay attention to deducting 1/8 inch. Blackout Skylight Shades:Cellular structure blackout skylight shades, made of 1-inch single-cell blackout cellular fabric and aluminum foil, helps to reduce outdoor noise. It can block harmful ultraviolet rays and dazzling sunlight, making the room warm in winter and cool in summer. Household skylight cellular shades can reduce energy consumption throughout the year. All cellular fabrics have white backing, which can reflect more sunlight and provide a uniform appearance from the outside. Cordless Cellular Shades:Cordless cellular skylight shades, can be stopped freely in any position, the system can withstand more than 8,000 push-pull operations. If it is a high window, it can also be easily switched on and off using the push-pull rod (sold separately) After sales service policy:We provide 24 months quality guarantee for each Skylight Shade. If you encounter any problems during the purchase or use process, please leave us a message through Amazon and we will reply to you within 24 hours. MaKefeile Have Frame is a perfect, practical and easy to install window accessory for all roof skylights, sliding Windows left and right, opening Windows outward, opening Windows up and down, and fixed Windows, please pay attention to the way Windows open when purchasing.