[Double-Layer Fabric]: Made with high-quality 100% polyester fabric featuring a stylish zebra stripe design, providing heat insulation, UV protection, and enhanced privacy. [No-Drill Installation]: Hassle-free installation without tools or screws, protecting walls and window frames. Ideal for renters and homeowners. [Cordless Design for Safety]: The cordless system ensures smooth operation and creates a safer environment for homes with children or pets. [Upgraded System]: The aluminum top and weighted bottom bar ensure durability, a sleek appearance, and a closer fit to the window frame. [How to Order the Right Size]: Measure the insidesurface horizontally in 3 different place ,top,middle and bottom. Please choose the narrowest window width for order width. The chosen size length need to be more than or equal to the length of the window. Pls note: this blinds is only for inside mount,can't be used for outside mount