eatures:- The guide rail is attached well, which will not affect the lifting of the glass, so it is safe and secure.- Covering the car window, the contents inside are generally invisible to people, protecting private privacy.- It can effectively maintain the constant temperature in the car, and it will not cause the temperature in the car to be too high because the sun exposure time is too long.- It can effectively prevent the long-term exposure of outdoor harmful light to the interior of the car body for a long time and reduce the life, aging of the internal leather and plastic parts, etc .; it can also prevent the exposure of ultraviolet rays to the human body, environmental protection and health.Specification:Material: CottonSize: 50 * 39cmPrecautions:1. Please pay attention to the location before installation!2. Front curtains should not cover the rearview mirror to avoid accidents.3. It is recommended to open the car window for installation during installation.4. Please wipe clean the window where you need to stick the rail before installation.5. It is recommended to use a hot air blower for a while after sticking the guide rails to keep the glue better.6. Please pay attention to the installation of car curtains. If the size is not correct, please replace the guide rail. After the guide rail is removed, there is residual colloid. It is recommended to remove the adhesive with an adhesive remover and then replace the new guide rail.Package Included:Curtains * 2Guide Rails * 4Rail Insertion * 6Hook and Loops* 2Storage Racks * 2Notes:1. Manual measuring, please allow 1 ~ 3mm error, thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.