[INTRODUCTION]Blackout shades for a Good Night's Sleep.With luxurious feeling of Combi blinds, It is light blocking blind for any unwanted light and easy to add a touch of style and functionality to your home.White or ivory colors may look Grey or Silver due to Sun blocking functionZebra Shades are dual layers, light may leak in if it is not completely closed.[TECHNICAL DATA]Solar reflectance 3.8%, Transmittance Order size also W 30 X H 57Outside MountMeasure the height and width of the OUTER EDGE of the window FRAME and add 4 inches each to the measured Width and Height for light coverage.Ex) Measured size W 30 X H 57 => Order size W 34 X H 61[How To Place a Custom Order]Standard heights are 47, 55, 64, 72, 82, 95, 103, 115 inch.Please place an order by larger standard size with least gap from your measurement.Find your order size by searching "Foiresoft + Standard Height Size".For example, if the size you need to order is W 30 X H 57, please search for "Foiresoft H 64".When the search results appear, click on the [H 64] product.Select the width size and click the "Customize Now" button at the top right. Enter the custom option and add it to the cart.Then, click the "Proceed to Checkout".[DIVERSE PRODUCT LINE]Please search for "Foiresoft Blinds and shades" on Amazon.You can find various types and colors of Foiresoft's blinds/shades.