【Light Adjustment】: This Blackout Window Cover uses special craft fabrics to help control the indoor brightness and avoid direct sunlight. Temporary Black Out Shades provide a suitable light environment for rest or special activities, and are suitable for spaces that need to adjust the light. 【Easy Installation】: Our Magnetic Blackout Window Cover is equipped with a fixing component, which allows you to install it directly on the window frame. No Drill Curtains are suitable for special window types such as Skylight, without complex tools, and the installation process is simple and fast. 【Adjustable Size】: When installing the Portable Blackout Window Cover, you can adjust the size of the blackout curtains by yourself with the measuring tool. Its original size is suitable for 58"" x 40"" windows. It is recommended to keep an appropriate edge margin to ensure the best use effect. 【Applicable in multiple scenarios】: Our Hook and Loop Strips Window Privacy Film is suitable for use in different scenarios such as Bedroom, Nursery or RV. The lightweight Window Privacy Film is easy to store and carry, and the matching storage bag is easy to organize. 【Usage package】: We will provide a complete accessory package, including 1 zipper bag, cutter, 3-meter tape measure, 20 pairs of 38*50mm square magnetic stickers + 20 round stickers + positioning pen + instruction manual. You can clean and maintain it in an appropriate way to maintain long-term use.