CLASSIC DESIGN: This roman shade is compose of 90% polyester and 10% linen, soft and durable. Upgraded to aluminum headrail, practical and stylish. It is a useful window covering which can increase energy efficiency by keeping cool air during the summer and warm air during the winter. Add a touch of elegance to both formal and casual occasion. Provide a relaxing space and softer vision. CONVENIENT OPERATION: With cordless design, this roman shade is safe and suitable for families who have children or pets. Pull the loop hard to position where you want the shade to cover. Pull the loop gently, the shade can be slowly closed automatically. That is convenient to use while providing a pretty look for the home decoration. INSIDE MOUNTED: The bracket can be applied for two installation types. For Inside mount, measure the window inside width and height. Deduct 3/8 inch on the window width to get the shade width to ensure a proper fit inside window frame, shade height could be same as window height. Ensure you have enough window depth, at least 3 inches. OUTSIDE MOUNTED: For outside mount, measure the window frame width and height. Add 2-6 inches on window frame width and 5-8 inches on window frame height. CUSTOM ROMAN SHADE: Here are some options for roman shade back liner, such as privacy liner blocks 60%-80% light, room darkening liner blocks 70%-90% light and blackout liner, you can also choose unlined. For the size, according to the installation type and window measurement to choose. If you are not sure for some questions, please contact us, we are glad to provide you with customized services. Material: 90% polyester and 10% linen