[Why Choose Us] With 27 years history, focus on high quality cellular shades. We provide free replacement if the product has quality problems within 12 Months, and the cellular blinds are available 20-78 inches in width, 22-78 inches in height, can be customized to the exact 1/8 inch size, which will fit your windows better [No Drill No Tools Mechanism] Compared to traditional installation methods, no drill honeycomb shades do not require drilling holes in the wall, do not damage the wall or window frames, and do not generate additional waste, easy to install in three steps [High Quality Light Filtering Cellular Shade Fabric] We use carefully selected fabric with high color fastness, not easy to fade, and thanks to the use of hexagonal interior design, so that the interior can maintain a relatively constant temperature in winter and summer, and at the same time, can effectively reduce noise and block UV rays [Quality Materials] The upper and lower beams of our cellular blinds are made of aluminum alloy, which is stronger and more durable than plastic upper beams, and we have improved the angle of the honeycomb's push and pull for a smoother push and pull, as well as the cordless design, which is also friendly to pets and children [Measure Guide] Inside mounting cellular blinds for windows require a minimum 1.6" window frame depth. [Inside mount] The order height you choose is the height of your window. The width you choose for your order is the width of your window - 1/4 inch. If you don't know how to choose a size, please check out the measurement guide from the main image or contact me via amazon message ABOUT US The Research and Development, production and application of Sulugood continue to focus on shade products, and has been pursuing the highest principle of product quality and customer experience. So far, the created products serve more than 80 countries and regions, and are committed to the continuous efforts of mankind's happy life. Finer Details: Accessories Material:Aluminum Feature: Cordless design raises and lowers easily by lifting and lowering the bottom rail,safe for kids and pet. Energy saving,Sound Insulation, Heat insulation, Heat Preservation, UV Protected Suitable for Bedroom,Living room, Kitchen, Office, etc.