[Product after-sales]: if you have any usage problems, please contact us as soon as possible, and we will definitely provide the most satisfactory solution. ?Breathable Nylon?: made of high-quality double-layer nylon mesh. Breathable, stretchy and durable material offers black and full coverage with good gloss, not easy to distort or fade. Hardly any extra harmful substance is good for your health. ?Privacy protection & travel safety?: can’t see anything inside from outside. AOYAR car window shades are perfect for protecting your privacy. You can sleep, work, watch a video or feed your baby in the car. And you can still enjoy the beautiful scenery from inside. Besides, sunshades can prevent thieves from peeping inside to steal. ?Easy to install & remove?: after cleaning the car window, just slip the car screen shade over the rear side window frame, and then pull down the car curtain to quickly install or remove it. Better to take it down when not in use or on rainy days. ?Universal vehicle types?: the sunshade is widely compatible with most car rear seat side windows, such as Sedans, Hatchbacks, and small SUVs with curved/rectangular windows. Please measure the length and width of the rear window of the car before purchase. Not fit cars with frameless or sliding windows like buses, Trucks, MPV, VAN, large vehicles etc. ?Excellent sun protection & UV insulation?: the car window shade can fully cover the window to effectively block the light rays, protecting you and your family on the backseat from harmful UV rays and heat. No sunburn and also have a rest in the car without any disturbance when traveling in summer.