Describe: 1. UV protection: Installing a blackout curtain can effectively prevent harmful outdoor light from irradiating the interior of the car for a long time, reducing the lifespan, and aging of the internal leather and plastic parts. It can also prevent ultraviolet irradiation on the human body, making it environmentally friendly and healthy. 2. Save privacy: Cover the car windows, and the things inside are invisible to ordinary people, protecting private privacy. 3. Heat insulation: It can effectively maintain constant temperature in the car, and will not cause excessive temperature in the car to be too high due to excessive sun exposure for too long. 4. Safety: Stick the guide rails well, and it will not affect the lifting and lowering of the glass. Be safe and secure. 5. Sunshade: protect against sun exposure. Product name: Automobile blackout curtain Product color: tablet cloth black, gray, beige Product size: 50x39 or 50x47cm Product weight: about 330g Installation and precautions: 1. Please wipe the car windows where guide rails are required before installation 2. It is recommended to use a hot air fan to blow it for a while after attaching the guide rails to keep the glue firmly attached. Generally, after installing the guide rails, the curtains will be installed at a certain time. Please install the curved part slowly and patiently. After installation, it is recommended to use a rope to fix it. After the glue is completely attached, then proceed to the next installation. 3. Please note when installing the curtains. If the size is not correct, please change the guide rails. If there is residual colloid after the guide rails are tear off, it is recommended to use a glue remover, etc. to remove the adhesive, and then replace it with a new guide rail. 4. Install the installation step from top to bottom. If not, please remember to insert the small plug that comes with the product. 5. Please pay attention to the location before installation! 6. The front curtains should not cover the rearview mirror to observe to avoid accidents. 7. It is recommended to open the car window for installation during installation. 8. Please roll down the window glass during installation. Includes products: a pair of curtains, 4 plastic guide rails, 6 guide rails, a pair of strips, and a pair of storage racks. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.